Blue Marlin

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Blue Marlin

Species Information

Scientific Name:Makaira nigricans
Common Names:blue marlin
Environment:Offshore
Ideal Temp:77-81°F (25-27°C)

About Blue Marlin

The Atlantic blue marlin (Makaira nigricans) is a species of marlin endemic to the Atlantic Ocean. The blue marlin (hereafter, marlin) feeds on a wide variety of organisms near the surface. By using its bill, it can stun, injure, or kill while knifing through a school of prey and then return later at its leisure to eat. Marlin is a popular game fish and has commercial value because its meat has a relatively high fat content.

This 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.

The biggest females are more than four times as heavy as the biggest males. Males rarely exceed 160 kilograms (350 lb) in weight, and females commonly weigh over 540 kilograms (1,200 lb). The longest females can reach a length of more than 4 metres (13 ft) with the bill, from eye to tip, constituting about 20% of the total body length.

This marlin has two dorsal fins and two anal fins. The fins are supported by bony spines known as rays. Its first dorsal fin has 39 to 43 rays from front to back. Its second dorsal fin has 6 to 7 rays. Its first anal fin, which is similar in shape and size to the second dorsal fin, has 13 to 16 rays, and the second anal fin has 6 to 7 rays. The pectoral fins, which have 19 to 22 rays, are long and narrow and can be drawn in to the sides of the body. The pelvic fins are shorter than the pectorals, have a poorly developed membrane, and are depressible into ventral grooves. Its first anal fin, along with its pectoral and caudal fins, can be folded into grooves. This streamlines the fish and thereby reduces drag.

The body is blue-black on top with a silvery white underside. It has about fifteen rows of pale, cobalt-colored stripes, each of which has round dots and/or thin bars, located on both sides of the fish. The first dorsal fin membrane is dark blue or almost black and has no dots or marks. Other fins are normally brownish-black, sometimes with a hint of dark blue. The bases of the first and second anal fins have a hint of silvery white. Marlin can rapidly change color and usually appear bright blue when hunting. The coloration results from pigment-containing iridophores and light-reflecting cells. The body is covered with thick, bony, elongated scales that have one, two, or three posterior points, with one being the most common form.
The bill is long and stout. Both the jaws and the palatines (the roof of the mouth) are covered with small, file-like teeth. The lateral line system is a group of neuromasts rooted in lateral line canals that can sense weak water motions and large changes in pressure. It has the appearance of a net. It is obvious in immature specimens but unclear in adults, becoming progressively embedded in the skin. The anus is just in front of the origin of the first anal fin.

They are known to feed on squid and pelagic fishes, including blackfin tuna and frigate 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, dolphin, mullet, mackerel, bonefish, ballyhoo, flying fish and squid as well as various types of artificial lures and sometimes strip baits. 


 

Blue Marlin Fishing

World Record:636 kg (1402 lb 2 oz) Vitoria , Brazil
# Fish Caught:70094 documented in database.
Earliest Record:7/2/1802 12:00:00 PM and located at 11.00000, 72.50000.
Latest Record:2/1/2029 12:00:00 AM and located at 1.50000, -2.36667.
Common Techniques:Trolling
Popular Lure Types:Trolling
Fishing Spots:12427 Blue Marlin fishing spots.


Latest Blue Marlin Fishing Reports and Spots

First Blue Marlin of the Season Released by Peter Gelfand! - 6/7/2024 5:58:47 PM

23rd Week of 2024 Overall Catch Success Rate All Species Combined 95.1% Catch Success Rate Billfish 85.37% Dorado 41.46% Tuna 6.10% Other Speci (View)

Looking for a Blue One - 6/3/2024 6:45:38 PM

Mike and Lori on board today from Kentucky. They wasted to catch a few dolphin and try for a blue marlin. They caught the dolphin but we were un (View)

NCSU Sport Fishing School - 6/6/2024 8:39:06 AM

Today we had the crew from NC State sport fishing school on board cool program check them out: https://projects.coned.ncsu.edu/opd/fishing/index (View)

The HOT Fishing Streak Continues - 6/4/2024 12:18:09 PM

The HOT fishing streak continues. April produced stellar fishing and May numbers are not far behind. Blue marlin and striped marlin continued to (View)

Hooked up Blue Marlin - 5/26/2024 7:26:35 PM

Our old friend Jon on the boat today with local celebrities Turtle Nathan and Ella We started out on a change that should have been holing some (View)

Dolphin and Tuna! - 5/28/2024 9:59:09 AM

good friends David and Nathan on board today We had some pretty good action with the bigger dolphin and a few blackfins. catch of the day was a (View)

Memorial Day Weekend Fishing Report (5/24-5/27/2024) - 5/23/2024 7:51:37 AM

OFFSHORE- Another good week of fishing offshore; and if you can believe it a really nice looking forecast headed into the holiday weekend! This (View)

“Blue Marlin Catch: Successful Day at Sea” - 5/22/2024 2:17:56 PM

Today was another fantastic day aboard the Big Eye 2 Sportfishing boat as we embarked on our journey from the beautiful Marina Pez Vela in Quep (View)

Mon 13 May 2024 22:36:00 +0000 - 5/13/2024 6:36:00 PM

My friends John and Julie have been showing up in Hatteras the same time as the Dolphins and Marlins for as long as I can remember. They tried (View)

Recfishwest's State-wide Fishing Report 10 May 2024 🎣 - 5/10/2024 12:07:49 AM

96 Recfishwest Newsletter View this email in your browser Recfishwest Fishing Report 10/05/24 Chasing an easy and delicious feed? Not only are (View)