Blue Marlin

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Blue Marlin

Species Information

Scientific Name:Makaira nigricans
Common Names:blue marlin
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:70079 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

Recfishwest's State-wide Fishing Report 16 February 2024 🎣 - 2/16/2024 1:12:10 AM

96 Recfishwest Newsletter View this email in your browser Recfishwest Fishing Report 16/02/24 You know the pelagic action has peaked when you c (View)

World-class Fishing in Sunny South Florida! - 2/17/2024 9:26:29 AM

The fishing IS hot. So is the weather… But the warm temperatures have not slowed the fishing down. The action has been very good with a surpris (View)

Fort Lauderdale Fishing is on Fire! - 2/9/2024 3:01:15 PM

The fishing IS hot. So is the weather… But the warm temperatures have not slowed the fishing down. The action has been very good with a surpris (View)

Fishing Report January 21st Fishing Quepos Marina Pez Vela - 1/27/2024 12:08:01 PM

we came back from our trip to Drake bay today we fishing in Quepos with flat water and great weather. we raised 12 sailfish and released 7  and (View)

January 6th Fishing Report - 1/13/2024 9:10:57 AM

we continued this adventure with the fly fishing equipment today we released 3 sailfish on the fly we raised 1 blue Marlin that was not lucky o (View)

Recfishwest's State-wide Fishing Report 12 January 2024 🎣 - 1/12/2024 3:24:40 AM

96 Recfishwest Newsletter View this email in your browser Recfishwest Fishing Report 12/01/24 Can you identify this fish species? This is the f (View)

1/7/24 - 1/7/2024 12:01:00 PM

Had a good week of fishing. The blue marlin bite has beem really good. Lot of 60-150 marlin being caught wirh multiple double and triple strike (View)

Recfishwest's State-wide Fishing Report 5 January 2024 🎣 - 1/4/2024 7:00:00 PM

96 Recfishwest Newsletter View this email in your browser Recfishwest Fishing Report 05/01/24 Coral trout are a hard-fighting and delicious spe (View)

Bookings for 2024-2025 - 1/7/2024 10:15:30 AM

Hello guys! First of all Happy New Year! Not sure if we can put in words how unbelievable this year was. Since the last 5 years it feels like t (View)

12/31/2023 - 12/31/2023 1:44:00 PM

Ended up the rest of the year wirh 2 more spearfish and a blue marlin on Hooked Up! The Ez pickens finished off really strong! They caught 5 bl (View)