Tag: costa rica marlin

Marlin Fishing – Bait Vs. Artificial

Marlin Fishing Tips – Baits or Artificial Lures When Fishing for Marlin

Published for Marlin Magazine by Sam White 2019

When Bart Miller died in 2018, he left behind a rich legacy as one of the sport’s most well-known fishermen-turned-lure-designers. His line of Black Bart lures has become the gold standard around the world for their ability to raise and catch marlin. Miller’s friends and longtime business partners, Jack Tullius and his brother Gary, continue that legacy as the current owners of Black Bart Lures.

man holding up two marlin fishing lures

One of sport fishing’s most well-known lure-makers, Capt. Bart Miller believed that lures out-fish natural bait for marlin because of the lure’s action as it moves through the water.

©️Scott Kerrigan/www.aquapaparazzi.com

And yet for all the popularity of artificial lures, natural bait remains a top choice in many areas of the fishing world. Mark Pumo grew up fishing off Miami and the Bahamas. He started fishing some of the local billfish tournaments after college, where he noticed a need for high-quality natural baits. His team at Baitmasters of South Florida has become one of the sport’s top bait suppliers. If you’re pulling a ballyhoo, Spanish mackerel, mullet or squid in your spread, there is a pretty good chance it arrived to you in one of those distinctive yellow-and-black Baitmasters packs.

To help better understand the specific benefits inherent to artificial lures and natural baits, we looked at a number of critical parameters. This is a head-to-head comparison: bait versus Bart.

Billfish Species

This is perhaps the most important factor to consider. If you’re chasing only blue or black marlin, then a spread of large, active lures fished on heavy tackle is hard to beat.

“Lures give you the ability to cover water at higher speeds, with the size and fish-raising action you need to get the attention of an apex predator like a marlin,” Jack Tullius says. “While elephants do eat peanuts, big fish usually prefer to hunt and consume large prey items that are worth the energy they expend to chase them down.”

However, if the target species include white marlin, sailfish and game fish, then bait may be a better choice. White marlin are especially notorious for their ability to whack even a small lure multiple times without finding the hook. In this case, a spread of chin-weighted ballyhoo fished on circle hooks is a much better option.

From Southern California down to Cabo San Lucas, Mexico, teams pull artificial lures for striped marlin, but they almost always have a pitch bait ready, often a live or fresh-dead caballito already bridled and ready to go. If the marlin doesn’t hook up immediately, the bait is introduced to entice the fired-up stripey to switch over. It’s a tactic that allows the boat to cover territory as the crew searches for fish on the surface, while greatly improving their hookup ratio once they do raise a marlin.

cold chest of ballyhoo bait

In the billfish-rich waters of Central America, natural bait reigns supreme. Deckhands may spend hours rigging hundreds of ballyhoo in anticipation of a great day offshore, with a few larger mackerel in case a blue marlin shows up in the spread.

Austin Coit

Marlin Destinations

Where you fish has almost as much importance as the target species, and the two are certainly related. Specific locations in the world are almost exclusively dead-bait-centric locales, while others are the hallowed halls of lure fishing. In Central America,the dead-bait ballyhoo spread is the bread and butter of the charter-boat and tournament crews, just as it is throughout the Carolinas and Florida. But venture to Bermuda or Hawaii, and the name of the game is lure fishing. This isn’t to say there is not some crossover: The Costa Rica captains will occasionally pull lures at the seamounts for blue marlin, and the smart Bermuda captains will have a pitch bait ready for a white marlin on the Challenger Bank, but in general, the destination will often dictate the tactics on the water.

Release or Kill

It has been said that you pull bait to fly flags and fish lures to cash checks, and there is some truth to that bit of dockside philosophy. If the goal is to pile up billfish releases in a tournament, it’s hard to beat a dead-bait spread. With circle hooks, most fish will be hooked in the corner of the jaw, and it’s much easier to hook and quickly release double- and tripleheaders of sailfish or white marlin on bait. But if only the largest blue or black on the dock wins the Happy Gilmore-size check, a big hunk of skirted resin is almost always a better bet.

ballyhoo fishing bait

Natural baits offer a much higher hookup-to-release ratio than lures, especially when fished with circle hooks.

Austin Coit

Skill Level

While it does take experience and skill to become a really good lure fisherman, it’s also much easier for a relatively inexperienced team to start catching fish with lures (and a spread of five Black Barts fished at 8 knots is a pretty good start). Dead bait requires a higher level of skill, starting with the preparation. “Poor bait prep and sloppy rigging techniques mean that the bait will wash out quickly and not swim correctly,” Pumo says. “It takes dedication and lots of practice to gain proficiency as a dead-bait fisherman, but it’s also a great source of pride for those who achieve that level of ability.” Pumo also notes that Baitmasters offers expertly prepared, pre-rigged natural baits for those who may not have the time or experience to rig their own.

Availability, Storage and Refrigeration

The availability of high-quality natural bait in certain parts of the world is a big issue, often forcing teams to ship large quantities of frozen bait to a destination well ahead of time. Sometimes this isn’t an option, especially when overzealous customs officials become involved. I’ve even seen cases where ballyhoo is considered frozen food, even after we pointed out that it’s clearly labeled as bait on the package. On the other hand, it’s easy to pack a full spread of plugs in a soft-sided lure bag and take them with you anywhere in the world.

“Natural bait also requires storage and refrigeration/freezer space, either on the boat or elsewhere,” Pumo says. “It has to be kept frozen solid until it’s ready to be rigged, and natural bait doesn’t last long once it’s thawed. Once the baits are rigged, they need to be kept cold but not in direct contact with fresh water or ice, which means a separate bait cooler or storage area on the boat.” Lures, of course, require no special treatment.

Time

Do you or your crew have the time to properly rig a full box of natural baits, or do you want to hop on the boat and go fishing? Rigging ballyhoo or mackerel is a process that involves carefully thawing, prepping and rigging dozens of baits, and it requires a host of miscellaneous small items like chin weights, waxed floss, O-rings or swivels, copper wire, rigging needles and more. Meanwhile, the same lures you pulled yesterday are ready to go today. Just check those hooks for sharpness, snap the leaders in the swivels and you’re all set.

J Hook versus Circle Hook

One main disadvantage of lures over bait is in the release ratio. Most lure fishermen will say that if they can maintain a hookup-to-release ratio of 70 percent or so, then that’s doing pretty well. Some boast of much higher percentages, but then again, there are also plenty of stories of rubber-hook days where teams are zero-for-4 on blue marlin, where the fish is hooked and pulling drag but manages to elude capture during the fight for whatever reason.

Circle hooks, on the other hand, have a much higher percentage of hookup to release, thanks to their shape, which catches the fish in the corner of the jaw. “For a hard-jumping blue marlin, they can throw that J hook fairly easily, while they have a much harder time shedding a circle hook during the fight,” Pumo says

Interestingly, the mandated shift to circle hooks with natural bait, enforced by the National Marine Fisheries Service, caused a complete shift in North Carolina’s tournament blue marlin fishery. The standard Carolina marlin bait — a horse ballyhoo rigged on a J hook and fished in combination with a blue-and-white Ilander lure — was now illegal in tournament competition. Teams quickly learned to lure fish for big blues, while maintaining their prowess at dead-bait fishing for white marlin, yellowfin tuna and other species.

Action versus Taste

Lures are great at raising fish and getting bites, but it’s hard to beat natural bait in getting a marlin to actually eat the damned thing. Much like a cat chasing a toy, a blue or black will sometimes bat a lure repeatedly in an attempt to catch, kill and eat it, often resulting in some spectacularly unsuccessful bites. If you free-spool the lure, it loses its action and the fish quickly loses interest. With a ballyhoo or mackerel, a short drop-back gives the marlin a chance to grab it, and since it looks and tastes real, they can turn and swallow it easily. And while they don’t chug and splash like lures, it’s hard to beat the realistic swimming action of a well-rigged mackerel, mullet or ballyhoo in the spread. This one’s a draw.

fishing lures on a wooden deck

With their aggressive head shapes, these lures will raise plenty of marlin, particularly in the noisy white water close to the boat.

Joe Byrum

Teasers

Because of their fish-raising splash, color and shimmy, lures are a terrific option as teasers. Many a marlin has been raised to a Black Bart fished as a teaser before either being switched over to a pitch bait or hooked on a lure in the spread. On the other hand, a squid daisy chain with a ballyhoo chase bait is standard in just about any big-game fishery in the world. Having that natural bait gives the fish a taste of the real thing and keeps it engaged for those crucial few seconds needed to get a pitch bait in the water

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Blue Marlin Biology

Blue Marlin, unlocking the evolutionary secrets of an apex predator.

Most of us are somewhere between infatuated and obsessed with blue marlin, but unless you’re a billfish scientist, you probably don’t understand how these lightning-fast finely honed eating machines are able to swim thousands of miles, populate the vast tropical and subtropical oceans of the entire world, and detect and chase down the fastest, most elusive prey species — and to have done it successfully for literally millions of years. The short answer is incredibly engineered anatomy and physiology.

While all top-level fish hunters realize that detailed knowledge about one’s quarry is the key to finding it, getting the bites and converting them into captures, most lack exposure to many of the cutting-edge scientific advances that can give them an edge. I recently reviewed these during the course of writing a chapter about blue marlin biology and ecology for Capt. Steve Campbell’s outstanding book, Blue Marlin Magic. I was fortunate to interview and work with a number of the top scientists in the field, and the information they graciously shared blew me away.

Blue Marlin Biology

The moment of truth, as a blue marlin is released at the boat. These fish have evolved over millions of years to become one of the ocean’s apex predators.

Austin Coit

The Billfish Evolutionary Tree
Professor John Graves, of Virginia Institute of Marine Science, shared with me results of DNA and morphological analyses he conducted with colleagues. Some of the billfish evolutionary tree we would all have guessed correctly — such as white and striped marlin being closely related, as are the four species of spearfishes. All billfish — marlin, spearfishes and sailfish — belong to the family Istiophoridae, with broadbill swordfish the sole species of the offshoot family Xiphiidae. Now, which billfish species would you guess is the closest genetic relative of blue marlin? I’d have guessed black marlin, but the correct answer is actually sailfish.

My next surprise came in reviewing just how long blues have been around. The branch of the billfish evolutionary tree we know as a blue marlin was sufficiently perfect that they are the most common billfish identified in fossil records dating to the late Miocene epoch. This means they were dominating their environment, worldwide, more than 12 million years ago. Sea levels were much higher than they are today. These fossils have been found scattered in locations as varied as Italy, Virginia, North Carolina, California and Mexico. To put this in perspective, we hadn’t even evolved yet — the closest things to humans roaming the earth were some humanoid apes. So the next time you feel humbled by a lit-up blue crashing your spread, you have every reason to be: They’ve been around for a very long time.

Blue Marlin Biology

The gills of a blue marlin provide oxygen utilizing ram-jet ventilation. It is an incredibly efficient system for long-term endurance as well as for short, speedy bursts.

Will Drost

Satellite Tagging and Open-Ocean Behavior
Research scientist Michael Musyl provided a fascinating look at the incredible capabilities we are learning about blue marlin through pop-up satellite archival tags. Everything these creatures do is finely tuned, and the more we understand, the better we can adapt our techniques to encounter them more often. The continuous data produced by tagged individuals tells us their position, depth and ambient water temperature over considerable periods of time. Interestingly, some of this data only serves to confirm what far-flung artisanal fishermen independently figured out a long time ago. By the time Ernest Hemingway wrote The Old Man and the Sea, he was aware that the old Cuban hand-liners would set their baits deep — 300 to 800 feet — and catch blue marlin as well as big yellowfin and bigeye tuna. Meanwhile, Polynesian hand-liners were doing exactly the same thing, using rounded volcanic stones and a special slipknot to sink flying fish and other baits, in which a sharp tug on the line releases the weight. Modern-day swordfish and tuna longliners catch large numbers of blues by fishing dead natural baits much deeper than sport anglers. PSAT results tell us why, and suggest options for thinking outside the box.

Blue Marlin Biology

[A] Eyes: Proportionate to their body size, blue marlin have the largest eyes of any billfish species, comparable to the eyes of a swordfish. Blue marlin also have the ability to heat their eyes using special cells, further increasing their visual acuity even in low-light conditions. [B] Bill: Thought to decrease hydrodynamic drag as well as provide improved feeding capability by stunning its prey, a marlin’s bill is covered with millions of rough denticles. [C] Inner Ear: A blue marlin’s tiny ear bones, or otoliths, can detect sound from long ranges and in a variety of wavelengths. Marlin have exceptional hearing. [D] Lateral Line: The fish’s lateral line uses sensory hair cells to trigger nerve responses and function as hydrodynamic receptors of low-frequency wavelengths emitted within two body lengths of the marlin. This allows them to sense prey and predators at close ranges, even in near-total darkness. [E] Gills: Blue marlin use ram-jet ventilation, pushing seawater past millions of tiny leaflike structures stacked along each gill filament to maximize oxygen extraction. The efficiency of this arrangement is unequalled in the animal kingdom. [F] Jaw: A predentary bone joins the tips of the two lower jawbones, allowing the jaws to open much wider than usually possible without coming apart. This allows blue marlin to consume very large prey, weighing as much as 10 percent of the marlin’s own body weight. [G] Dorsal, Pectoral and Pelvic Fins: With grooves and depressions along the fish’s body, a blue marlin can completely retract these fins for a more streamlined shape as needed. When extended, they give the fish incredible maneuverability. [H] Brain: A huge optic center processes information from the eyes, giving blue marlin excellent vision. They essentially see in black and white as they look down, but in shades of color as they look up toward the ocean’s surface. [I] Tail: A blue marlin’s extended tail lobes can reach water that is undisturbed by the passage of the fish’s body, making them extremely efficient swimmers.

Craig Smith

We now know that blue marlin spend much of their time easing along at 1 to 3 knots in warm, turbulence-mixed water above the thermocline, within a temperature range of 72 to 88 degrees, preferring a range between 75 and 81 degrees. However, during the daytime, they exhibit what Musyl calls a “W-pattern,” frequently diving to depths between 500 and 650 feet, and sometimes as deep as 2,600 feet. Stomach-content analyses show these fish are feeding on squid and deep­water fishes (“stuffing themselves” might be a better description), then surfacing to repay oxygen debts and warm up their muscles. Are island hand-liners and industrial longliners catching blues that are on their way down or perhaps swimming back up from these dives? Are there times and locations where large numbers of blue marlin are present but mostly feeding down near the thermocline? Would sport-fishing operations be far more effective drifting deep baits or presenting something completely different and yet-to-be-designed in the deep, such as large, scented soft plastics? Sometimes research raises more questions than it answers.

Recently, I was offshore of Islamorada, Florida Keys, out near the continental shelf drop-off, aboard my 20-foot SeaCraft. The sea was mirror-calm, and I spotted the dorsal and tapered tail lobe of a 250-pound-or-so blue marlin, motionless and flushed nearly black. We eased over and swam a schoolie mahimahi in front of the fish, which slowly sank out of sight in response. We circled, dropped live and dead baits: nothing. I wonder if it had just surfaced from a deep, cold dive, stuffed with prey, muscles oxygen-deprived, chilled to the bone, just trying to soak in some warm sun. I could almost hear the marlin say, “Are you kidding me?”

Blue Marlin Biology

A marlin’s proportionally enormous eye is heated by special cells in the brain, allowing the fish to process images very rapidly, even in low-light conditions.

Scott Kerrigan / www.aquapaparazzi.com

The Eyes and Ears Have It
Imagine a blue marlin swimming in the cold, inky darkness. How do they effectively sense prey? For one thing, blue marlin have the biggest eyes in the billfish family, comparable to the enormous eyes of broadbill swordfish. Eye size is proportional to the capacity to gather light and other visual information. In addition, blues, like other marlin, swordfish and some sharks, have the ability to heat their brains and eyes using a counter-current exchange method and special warmth-producing cells contained in tissue located at the base of the cranium. The ability to process “frames per second” is proportional to heat, which gives these predators a huge advantage over schools of deeper-dwelling, slower-reacting prey animals that lack this heater organ.

Two other sensory apparatus also aid feeding capabilities: the inner ear and the lateral line system. The inner ear includes tiny otolith bones, which sense linear accelerations like sound waves, gravitational forces and body motion, and a canal system, which responds to angular accelerations of the head. The combination confers the ability to hear and also to orient in space. A marlin’s lateral line system, like the inner ear canals, operates by using sensory hair cells that trigger a nerve signal to the brain. These channels containing them run in networks down the sides of the body, and interestingly, the pattern of the network differs between Atlantic and Indo-Pacific blue marlin populations. They function as hydrodynamic receptors of low-frequency wavelengths from 10 to 200 Hertz being emitted within two body lengths of the marlin, which could come from prey, predators or even inanimate objects such as a fishing lure. It is highly likely that blues use their lateral line system to assist in close-range tracking and attacking of prey or lures. The inner ear system, on the other hand, detects sensations from much greater distances, such as the harmonic patterns in hulls and diesel engines, and sound-making knocks or rattles from a lure.

Blue Marlin Biology

The fish’s lateral line allows it to detect small vibrations at close distances. A marlin can actually feel a dredge moving through the water.

Doug Perrine

Long-Range Marlin Migrations
Both PSAT and conventional tags have provided incredible advances in our knowledge of movements and migrations of blue marlin, and anatomy and physiology studies tell us how they do it. Worldwide, cyclic movement patterns occur in sync with migratory food sources or to prime feeding areas, followed by travel to spawning areas in which prey items may be relatively scarce. It’s interesting that some individuals make large-scale movements, while others might hang around a given area for extended periods of time. One blue tagged off of Delaware was recaptured in the Indian Ocean, near Mauritius. Another moved from the Tasman Sea off southeastern Australia to the Indian Ocean off southeastern India. Another individual tagged near Puerto Rico had its PSAT pop up 120 days later, 4,776 miles away, offshore of Angola, Africa. Others swam from Hawaii to Mexico, and to French Polynesia. Some blues circulate around the Western Pacific, and others between the Coral Sea off of northeastern Australia to the South Pacific islands. And then there are the homebodies, PSAT-tagged blue marlin that stayed in limited areas, such as Hawaii, the Gulf of Mexico, the Kuroshio Current system and the Caribbean Basin, for extended time periods.

What are the secrets that enable these incredible fish to accomplish all of this? Biologist Nick Wegner explained to me that seawater is far more viscous and oxygen-poor than air. Blues utilize ram-jet ventilation of seawater entering the mouth and flowing aft through the millions of tiny, leaflike structures called lamellae stacked in rows along each gill filament. Blood pumps counter-current (or forward, opposite to the water flow) through these highly vascularized structures to maximize oxygen extraction. The efficiency of this arrangement is unequaled in the animal kingdom.

Blue marlin anatomy contributes enormously both to efficient distance swimming and to burst speeds as high as 72 mph. Elongated tail lobes reach undisturbed water beyond the turbulence created by the body. The bill may provide a hydrodynamic advantage, and certainly, the grooves and depressions for folding the dorsal, pectoral and pelvic fins against the marlin’s body help significantly. I can remember so many times gazing down from the tuna tower of assorted boats I was captaining and marveling at the effortless swimming motion of that fusiform body, head relatively motionless as the scythe-like tail swept the body forward. Forty miles a day for these fish on a transoceanic journey? No problem. Explosive bursts exceeding highway speed limits? Easy.

Blue Marlin Biology

Blue marlin are ambush predators, often appearing suddenly from the white water to crash a teaser, lure or bait.

Austin Coit

Marlin Feeding Behavior
We know from assorted studies that blue marlin are flexible, opportunistic feeders. Stomach analyses from around the world often indicate that blues have been feeding on primarily a single species, whatever they are following, or timing their migrations with which to coincide. Documented examples include chub mackerel off southern Portugal, skipjack tuna off southwestern Japan and bullet tuna off the Pacific coast of Mexico. However, the presence of other species indicates flexibility and opportunism, the marlin equivalent of, “Hey, we might be here to eat skipjack and smaller yellowfin, but if we run into a cloud of something else, we won’t turn it down.” Hence, we often find individuals packed with tiny filefish, puffers or triggerfish, or loaded up with deepwater fishes and squid.

Blue Marlin Biology

A powerful tail gives the fish plenty of horsepower for dazzling aerial displays as a pair of remoras hangs on for the ride.

Jessica Haydahl Richardson

I experienced the other end of the scale working as a guide for Nomad Sportfishing, a seaplane fly-in mothership operation in northeastern Australia, where we put to good use the scientific fact that blue and black marlin have the jawbone adaptations and stomach elasticity and size to consume prey up to 10 percent of their body weight. We targeted school yellowfin, narrow-barred mackerel, and dogtooth tuna from 8 to 50 pounds for both live- and dead-rigged baits, and did not shy away from baits on the larger end of the scale. We regularly slow-trolled live yellowfin weighing 40 pounds and more, and had them slammed by huge fish. We also did things like drill longitudinal holes through full-size Boone Lu Lu teasers and rig them with 400-pound stainless-steel cable and a 12/0 single Mustad 7692 to form what was in effect a giant fat version of a cedar plug. They got crushed even by smaller blues, particularly around the sunken reefs and atolls out in the Coral Sea, such as Kenn, Wreck and Frederick reefs. And, of course, we all know how much those big Hawaiian blues like shortbill spearfis

How do they do it? One key element is a cap, called the predentary bone, that joins the tips of the two lower jawbones. Unique to billfish, this bone allows the jaws to open much wider than otherwise possible without coming apart. We observed big marlin flashing in and attacking whole live tuna, open-mouthed, like predators without bills. The hits were so hard that the bait would have to be stunned just from contact with the jaws. Nonetheless, there were also instances of marlin firing in and drilling the baits in the head with their bills. Campbell actually has a video of one such incident that occurred in Tonga.

Blue Marlin Biology

From below, a marlin would see these rigged ballyhoo in shades of violet, blue and green.

Austin Coit

Color Schemes and Vision
Scientist Kerstin Fritsches, a leading authority on vision in billfish, enlightened me about key aspects of the way blue marlin see their world. The ability to detect, track and capture often very fast and elusive prey items contributes heavily to their evolutionary success. Blue marlin have eye muscles essentially identical to those of humans, which allow them to swivel and focus multidirectionally, yet their eyes are located on the sides of their head, so their vision is less binocular. They track items more often one eye at a time, and they possess high flicker fusion frequency, which means they can process a very fast rate of frames per second.

Perception of specific different colors requires the possession of a pigment, housed in a rod or cone, which is stimulated by the specific wavelength of the color, and this signal transmits to the giant optic lobes of the marlin brain. This has all been examined and tested with fresh eyes from specimens brought to the dock. The bottom line is that blue marlin see essentially in black and white with the dorsal portion of the retina (the portion that looks down, into the darkened depths), and they can see as color mostly shades of violet, blue and green with the ventral part of the retina (the part that looks up into the sunlit layers). Other fish, such as freshwater trout, can see the full color spectrum in a manner similar to humans. This means a blue marlin would see red as black, and various other colors as perhaps shades of gray. They still see them as different shades, but not in the way we humans do. Remember that

they are perfection incarnate in their environment, so whatever they see, and however they see it, is the pinnacle of millions of years of evolution.

About the Author: Capt. Scott Bannerot has worked in professional fishing since 1976. He earned his Coast Guard captain’s license in 1982 and a Ph.D. in marine biology from the University of Miami in 1984, and has worked as a charter captain, author and scientist in the Caribbean, Central America, South Pacific and Australia, with home base always in Islamorada in the Florida Keys.

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Getting The Most Out of Your Costa Rica Fishing Trip

Thinking about sport fishing in Costa Rica?

Costa Rica is known for some of the best billfishing (sailfish and marlin) in the world. Trolling for sailfish or marlin has a hypnotic effect on one. Staring at six or more brightly colored teasers skipping across an indigo ocean for any period of time almost puts you in a trance. The following tips should help you get the most out of your Costa Rica fishing trip.

That trance is quickly interrupted when a swordsman lit up in a purple hue snaps you back to reality and charges up from the deep, slashing at the teasers. Knowing what to expect before this happens can mean the difference between a missed fish or a date with a ballerina on a cobalt blue dance floor. Be prepared for your fishing trip.

Keys to Success on Your Costa Rica Fishing Trip

If you booked through a travel agent ask for the phone number or e-mail of the  operator, or even the captain and talk to them. Ask what kind of boat you will be on, what type of equipment they use, what methods they use and if it is important to you, what level of English do their crews speak.

Once onboard talk with the crew and ask questions. Talk about your own level of experience. Leave your ego in your suitcase. If your home is full of trophies from fishing tournaments,  but you have never fished sailfish or marlin, let your crew know. Most crews will give you as much or as little help as you want, but you have to communicate that to them.

 

 

Communication during your Costa Rica fishing trip is VERY important

Almost all captains in Costa Rica use a “bait and switch” method of trolling for billfish. The fish pops up in the teasers and the mate reels in the teaser with the fish in hot pursuit. As the fish moves in closer to the boat, the angler pitches a bait in the water and drops it back to the fish. The teaser is than jerked from the water leaving the bait as the only option for the fish to grab a quick meal. The same method applies to fly fisherman – and if you haven’t tried billfish on a fly your literally missing the boat.

You are required by law to use circle hooks in Costa Rica when fishing with live or dead bait. The design allows the hook to set itself without jerking the rod. Actually they are a very effective method of hooking fish while causing the least amount of damage to the fish for a safe release.

Circle hooks are not something new. They have been found made from seashells in the burial grounds of pre Columbian Indians as well as in Pacific coast Native American burial grounds. The Japanese made them long ago out of reindeer horns.

They are really quite easy to use if you plant this in your brain. Crank…Don’t Yank!!!   If you are not familiar with circle hooks ask your crew to explain them before fishing.

Communication, both before and during your trip is the key to having a great Costa Rican fishing adventure.  It’s your turn on the dance floor.

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The Science of Offshore Fishing

Effective management of offshore fisheries helps pelagic species become hard-fighting machines

Rather than droning on about stock-assessment updates, I’d like to discuss what drives anglers to ensure that pelagic species like tuna, wahoo and billfish are properly managed. Hopefully most folks realize that these creatures need to be conserved because they have a natural role in pelagic ecosystems as top-level predators. Anglers, however, are likely to have their own reasons to make sure there is an ample supply of these critters.

All of the aforementioned species share similar characteristics that make them endearing to recreational anglers. Most are aesthetically pleasing to the eye, even beautiful, and a few grow to colossal sizes. Some, in the case of tunas and wahoo, make for some of the best table fare that the ocean can offer. But there is one defining feature that really makes anglers love these fish: They are high-performance animals that pull like hell on the end of the line. The thrill of a big tuna, wahoo or marlin effortlessly pulling drag from a reel is one that is hard to beat.

These species’ capacity for speed and stamina is derived from unique adaptations evolved over the millennia that are truly fascinating. Tunas, for example, have a muscular composition that sets them apart from the rest of the pack and makes them masters of both speed and stamina. Virtually all fish possess a combination of fast- and slow-twitch muscle. Fast-twitch, or white muscle, as the name implies, is designed for burst speed. However, its white appearance means that it is not highly vascularized. As a result, white muscle can fatigue quickly and doesn’t afford much in the way of stamina.

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Slow-twitch muscle, which tuna have a lot of, is red because it is highly vascularized and well-­oxygenated, so it provides the necessary stamina for extended cruising — or in the case of a big tuna, thoroughly beating you up, whether you’re fighting one in the chair or standing up. The unique positioning of red muscle within white muscle, along with an amazing countercurrent vascular system, allows tunas such as bluefin the ability to generate and retain heat, so their body temperatures can be significantly higher than the surrounding ambient water temperatures. Keeping their eyes, brain and muscles warm gives these fish a performance edge in colder waters.

Pelagic species don’t lead ­sedentary lives; they derive oxygen from the water through ram ventilation, where the act of swimming actively moves water over their gills. As such, gill adaptations are critical for supplying oxygen to brain and muscle. Tunas have the largest gill surface area relative to size, with billfish, wahoo and the rest of the mackerels right behind with more surface area than virtually any other fish. Tuna’s individual gill filaments are also uniquely shaped to allow them to be tightly packed without collapsing during high-speed swimming to maximize surface area and oxygen exchange.

More Conservation News

Billfish possess unique spinal ­adaptations that benefit their energetic lifestyle and acrobatic tendencies. They have highly modified neural and hemal spines that overlap the ­intervertebral joints and interlock with fibrous connective tissues. This particular vertebral morphology is thought to act like a spring, which transmits force and power to the tail. These spinal adaptations are also thought to guard against shearing and compression of the intervertebral joints during bending, which also might explain how marlin can display such wild acrobatic gyrations without throwing out their backs.

This is just a brief glimpse into what makes these species some of the world’s most supremely engineered fish. The adaptations make them the game fish that they are, but it’s important to note that it can take millions of years of evolution to gain these refinements. That is why it is critical that we do all we can to ensure that these species are properly managed and conserved.

Article from Marlin Magazine

http://fishcostarica.org/marlin-sailfish-sat-tag/
http://fishcostarica.org/fecop-tips-how-to-handle-sailfish-and-marlin/
http://fishcostarica.org/fishing-species-pacific-blue-marlin/
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Costa Rica Marlin Fishing

Costa Rica Fishing Species – Pacific Blue Marlin

FECOP  Costa Rica Fishing Species

Pacific Blue Marlin

Pacific Blue Marlin

WHERE FOUND IN COSTA RICA: Marlin can be found all along Costa Rica’s Pacific Coast. They are a pelagic and migratory species which means they live near the surface in deep, off-shore waters. They typically are found in warmer tropical waters between 70-85 degrees, which Costa Rica has year round.

Marlin Time in Costa Rica: Marlin can be and have been caught year round in Costa Rica. Historically, the best months for blue marlin in the Southern and Central Pacific regions of Costa Rica (Osa Peninsula, Quepos, Jaco) are November through January. Most years there is usually a ‘second run’ of marlin around June and July which may include an increase in black and striped marlin mixed in with the blues. Marlin are also found in the northwestern part of Costa Rica – Guanacaste from May to September when the bite then moves north along the coast with the drier weather and warmer waters.

Marlin Facts – Did You Know:

  • Sometimes referred to as “The Lady in Blue”
  • Average life span: 27 years (females); 18 years (males)
  • It is illegal to take a sailfish or marlin out of the water for photos in Costa Rica
  • Marlins are “Catch and Release” ONLY fish – Learn why it is against the law to remove these fish from the water in Costa Rica
  • Best time of year to catch a Pacific blue marlin in Costa Rica – Year round peaking in Nov – January and again in April – times vary depending on which part of Costa Rica you are fishing – contact your Costa Rica guide or lodge for details.
  • The Blue marlin is very large fish. Females are 3 to 4 times larger than males. Larger specimens can reach 14 feet in length and weight of almost 2000 pounds. On average, blue marlin usually reaches 11 feet in length and between 200 and 400 pounds in weight.
  • Dorsal (back) side of blue marlin is dark blue while the belly is silver white in color.Blue marlin has elongated body, long tail, pronounced dorsal fin and sharp, spear-shaped upper jaw.
  • Blue marlin uses its spear-shaped jaw to stun, corral and catch food. It feeds on crustaceans, fish (mackerel, tuna), dorado and squids.
  • During the hunt, blue marlin will pass through a dense school of fish and inflict injuries with its spear. Dead or injured fish will float around and blue marlin will easily scoop them afterwards.
  • Blue marlin relies on the eye sight to find food. It hunts during the day (diurnal animal).
  • Blue marlin has 24 vertebrae which allow fast movement through the water. It reaches the speed of 60 miles per hour.
  • Because of their large size and sharp spear-shaped jaw, blue marlins have only couple of predators: white sharks, mako sharks and humans.
  • Blue marlins are very active and strong animals. They like to leap out of the water. Also, they will show powerful and acrobatic movements while trying to release of the hook.
  • Blue marlins are solitary creatures. Sometimes they swim in pairs. Rarely, they will gather in larger groups (schools).
    Blue marlins are migratory species. They will move from one location to another to escape low water temperatures (they prefer life in warm waters).
  • Mating season of blue marlins takes place late in the summer or early in the autumn.
  • Females become sexually mature when they gain the weight of 265 pounds. Males reach sexual maturity at the age of three years.
  • Females are able to spawn 4 times per single mating season, releasing up to 7 million eggs. Only small percent of released eggs (less than 1%) will survive until the adulthood.
  • Majority of eggs will be eaten by other marine creatures.
  • Current Pacific World Record:1,376 – Females can reportedly grow to 1,998lbs
  • Common Name: Blue Marlin
  • Size: Up to 14 ft
Pacific Blue Marlin

Photo by Pat Ford

On any day of the year it is possible to release (catch and release species by law in Costa Rica) a Pacific blue marlin in Costa Rica (Pacific) but recorded releases are historically highest from November to January when the big dorado run is on. There is also a small peak in April as sailfish numbers drop. July through September there is a better chance at a black or striped marlin mixed in with the blues in Costa Rica

More About the Pacific Blue Marlin

Lacepede, 1802; ISTIOPHORIDAE FAMILY
From IGFA Fish Database

IGFA FISH DATABASEThis pelagic and migratory species occurs in tropical and warm temperate oceanic waters. In the Atlantic Ocean it is found from 45°N to 35°S, and in the Pacific Ocean from 48°N to 48°S. It is less abundant in the eastern portions of both oceans. In the Indian Ocean it occurs around Ceylon, Mauritius, and off the east coast of Africa. In the northern Gulf of Mexico its movements seem to be associated with the so called Loop Current, an extension of the Caribbean Current. Seasonal concentrations occur in the southwest Atlantic (5°-30°S) from January to April; in the northwest Atlantic (10°-35°N) from June to October; in the western and central North Pacific (2°-24°N) from May to October; in the equatorial Pacific (10°N-10°S) in April and November; and in the Indian Ocean (0°-13°S) from April to October.

A Japanese report indicates that the blue marlin is the largest of the istiophorid fishes. It apparently grows larger in the Pacific. All giant marlins are females, and male blue marlin rarely exceed 300 lb (136 kg). The pectoral fins of blue marlin are never completely rigid, even after death, and can be folded completely flat against the sides except in the largest specimens. The dorsal fin is high and pointed anteriorly (rather than rounded) and its greatest height is less than the greatest body depth. The anal fin is relatively large and it too is pointed. Juveniles may not share all the characteristics listed above, but the peculiar lateral line system is usually visible in small specimens. In adults it is rarely visible unless the scales or skin are removed. The vent is just in front of the anal fin, as it is in all billfish except the spearfish. The back is cobalt blue and the flanks and belly are silvery white. There may be light blue or lavender vertical stripes on the sides, but these usually fade away soon after death, and they are never as obvious as those of the striped marlin. There are no spots on the fins.

They are known to feed on squid and pelagic fishes, including tuna and mackerel. A powerful, aggressive fighter, they run hard and long, sound deep, and leap high into the air in a seemingly inexhaustible display of strength. Fishing methods include trolling large whole baits such as bonito, dorado, mullet, mackerel, ballyhoo, flying fish and squid as well as various types of artificial lures and sometimes strip baits.

Photo(s) by Pat Ford

Some taxonomists believe that the Atlantic and Pacific blue marlins are closely related but separate species. They apply the scientific name Makaira nigricans, Lacepede, 1892, to the Atlantic species only and the name Makaira mazara (Jordan & Snyder, 1901) to the Pacific and Indian Ocean species. Others treat the two populations as subspecies, Makaira nigricans nigricans and Makaira nigricans mazara

Black or Blue? – It is hard for most captains and anglers to tell the difference at times unless they are close to the fish. At closer range, one can be quickly and positively identified since it is the only marlin that have rigid pectoral fins that cannot be folded flat up against the body without breaking the joints. It is also set apart by the airfoil shape of the pectoral fins and by its very short ventral fins, which almost never exceed 12 in (30 cm) in length, regardless of the size of the fish. The first dorsal fin is proportionately the lowest of any billfish, usually less than 50 percent of the body depth. The body is laterally compressed, rather than rounded; much more so than in similar sized blue marlin.

World Record Details from Marlin Magazine:

World Record Blue MarlinNote: It is against the law in most countries to remove billfish from the water for photos – These are catch and release fish ONLY – To learn more read Leave the fish in the water, why your dream photo isn’t worth it – by Todd Staley

On May 31, 1982, angler Jay de Beaubien caught the biggest Pacific blue marlin ever recorded by the International Game Fish Association while he was fishing aboard No Problem, a 43-foot Merritt captained by Bobby Brown. The bite took place at approximately 1 p.m. while they were trolling a silver and blue Kita lure off Kona, Hawaii. According to the angler’s account, “All hell broke loose with that first run.” Within minutes, the fish had nearly emptied the spool. However, despite several strong runs and the immense size of the fish, de Beaubien and the crew had the fish boat-side in just 40 minutes. Not long after, the crew officially weighed the 1,376-pound blue marlin, bringing the All-Tackle record back to Kona where it has remained ever since. This photo is for historical purposes only, it is illegal to remove billfish from the water.

 

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How to estimate the size of a sailfish or marlin

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An Introduction to Pacific Sailfish – Sailfish for Dummies

Illegal Fishing in Costa Rica Sign the Petition

Sailfish or Marlin? Top 10 Fastest Fish

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Costa Rica fishing Satelite Tagging Program

FECOP to Tag 25 Marlin and 25 Sailfish – Seeking Volunteers

Dr. Larry Crowder to SAT tag 25 marlin and 25 sailfish in Costa Rica this season. Dr Larry Crowder and FECOP will be placing Satellite Tags in 25 marlin and 25 sailfish this upcoming season. Looking for volunteers to either be trained to tag these fish or allow a biologist to ride along and tag. Especially interested to tag some marlin on FADs to see what these fish are doing. Dr. Crowder will be in the country September 23-27 to speak to prospective taggers. Leave message and we will contact you (Marlin Magazine Photo) for more information:

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