Tag: Mahi Mahi

small dorado baby

The Fastest Growing Fish in The Ocean?

Dorado: The Fastest Growing  Fish in the Oceans

Dorado, Mahi or Dolphinfish, are some of the fastest growing and swimming fish in the oceans.

Costa Rica DoradoDorado can spawn every two to three days at the early age of four to five months old. A female releases an average of 50,000 eggs each time they spawn. dordado can grow to an estimated 0.5 to 1.0 inch in length per week while gaining two to three pounds per month.

Aftco (aftco.com) has sited a case of a big bull dorado that lived for 18 months and when it died, there was no guessing of its weight, as it was immediately taken from the tank to a scale. In 18 months the 1.5 lb dorado grew to an amazing 68 lbs.

The females and the younger Dorado generally live Mahi Nutritionamong floating grass and floating debris while the larger males tend to roam free in the open ocean. A large male dorado can weigh up to 85 pounds in their short five-year lifespan.

When to Catch Dorado in Costa Rica – November through January and occasionally in February – averaging 20 to 40 lbs. Dorado can be taken year round but not in the same numbers as the months listed above.

Dorado is low in saturated fat and is a good source of vitamin B12, phosphorus, and potassium and a very good source of protein, niacin, vitamin B6, and selenium

Nutrition Table Via: fishwatch.gov

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Dorado fishing

Costa Rica Fishing Species – Dorado

Costa Rica Fishing Species – Dorado

Costa Rica Dorado

When to Catch Dorado in Costa Rica – November through January and occasionally in February – averaging 20 to 40 lbs. Dorado can be taken year round but not in the same numbers as the months listed above.

From the IGFA Database

Linnaeus, 1758; CORYPHAENIDAE FAMILY; also called dolphin, mahi mahi, dorado, goldmakrele, shiira.

Found worldwide in tropical and warm temperate seas, the dolphinfish is pelagic, schooling, and migratory. Though occasionally caught from an ocean pier, it is basically a deep-water species, inhabiting the surface of the open ocean. The dolphinfish is a distinctive fish, both for its shape and its colors. Though it is among the most colorful fish in the sea, the colors are quite variable and defy an accurate, simple description. Generally, when the fish is alive in the water, the dolphin is rich iridescent blue or blue green dorsally; gold, bluish gold, or silvery gold on the lower flanks; and silvery white or yellow on the belly. The sides are sprinkled with a mixture of dark and light spots, ranging from black or blue to golden. The dorsal fin is rich blue, and the anal fin is golden or silvery. The other fins are generally golden-yellow, edged with blue. When removed from the water, the colors fluctuate between blue, green, and yellow. After death the fish usually turns uniformly yellow or silvery gray.

Dorado are voracious predators – This is one of our all time favorite videos of a dorado pursuing flying fish

Large males (Bulls) have high, vertical foreheads, while the female’s (Cows) forehead is rounded. Males grow larger than females and are referred to as bulls, females as cows.

Female Dorado Male - Bull Dorado

They are extremely fast swimmers ( #9 in the Top 10 fish of the world’s oceans) and feed extensively on flying fish (see video above) and squid as well as on other small fish. They have a particular affinity for swimming beneath buoys, seaweed, logs, and floating objects of almost any kind.

Hooked dolphin may leap or tailwalk, darting first in one direction, then another. It is believed that they can reach speeds up to 50 mph (80.5 kph) in short bursts. Successful fishing methods include trolling surface baits (flying fish, mullet, balao, squid, strip baits) or artificial lures; also live bait fishing or casting. If the first dolphin caught is kept in the water, it will usually hold the school, and often others will come near enough to be caught by casting.

Bull Dorado on the Fly
In addition to being a highly rated game fish, the dolphin is a delicious food fish. It is referred to as the “dolphinfish” to distinguish it from the dolphin of the porpoise family, which is a mammal and in no way related.

Dorado

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Unfortunately several of these Top 10 Fastest Fish in the Ocean are become endangered due to non-sustainable industrial level fishing practices, mainly from foreign fleets. Learn more about FECOP’s tuna decree and what we are doing to maintain healthy fish populations throughout Costa Rica including stopping the exportation of Sailfish, pushing tuna pursein boats 45 miles offshore, and decreasing bycatch by 25 tons in 2017. Check out some of the articles below for more information about the sustainable fishing projects, initiatives and events throughout Costa Rica.

About FECOP
FECOP is an (NGO) in Costa Rica focused on marine conservation through education and outreach to local communities.

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