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Cobia Fish

January 10, 2022

Cobia Fish

Rachycentron canadum cobia is also called Sergeant fish, Cubby yew, Ling, Cabio, Lemonfish, and Crabeater. Cobia fish have the nickname crab eaters. Cobia fish resemble sharks and more closely to remora. Cobia is one of the hard-hitting game fish. 

General Description:

Body Color and Body Shape:

Cobia fish is dark brown body coloration with black and white stripes. The body of cobia also has bronze, orange, and green blotches all over the body.

Cobia's body is elongated torpedo-shaped with a long, broad, and depressed flat head. Cobia heads don't have the suction pad, which is present in the remora to which it is closely related. 

Body Size and Body Weight:

They mostly grow up to 6 feet in size, and their weight is about 150 pounds.


The lower jaw of cobia is slightly more outward from the upper jaw, which makes cobia fish a little funnier. The cobia has fibrous villiform teeth, which line the jaws and the tongue and roof of the mouth.


The anterior of the dorsal fin is slightly elevated; the dorsal fin of cobia has short and sharp spines with long and soft ray fins. The tail fin is also powerful.

Habitat of Cobia:

Cobia is a warm water fish in tropical and temperate waters, either inshore or offshore. It spends its life in the ocean and swims with other large fishes. Cobia sometimes concentrates around anchored boats, pilings, buoys, wrecks, reefs, sholas and can be caught from here.

Cobia fish are eurythermal species and mainly prefer water with a temperature of 68 to 77 degrees Fahrenheit.

Range of Cobia:

Cobia is the only left species of its family Rachycentridae in North America. They are present in the region of New England/Mid-Atlantic, Southeast. Cobia fish is widely distributed from Virginia south through the Gulf of Mexico.

Cobia shows migratory behavior and moves to the warmer waters of Florida waters; Florida keys in the late fall and winters and spends summers in the Gulf of Mexico.

Diet of Cobia:

Cobia fish are aggressive predators and mainly feed on crustaceans, shrimps, fish, crabs, and squid.

Life Cycle of Cobia:

Cobia is among those fishes who mature at an early age as females are sexually mature at the age of 3, and the female cobia releases about 2 million eggs during spawning. In the southeast, the spawning season lasts from June to mid of August, and in the Gulf of Mexico, the spawning season is late summer to early fall.

Cobia FIshing:


Cobia is a unique fish, and anglers who master cobia enjoy catching this mighty fish. 

Cobia Fishing Time:

The best time to catch cobia is when the sun is shining at its fullest. In the early morning and evening, cobia is not present at the surface. If you plan a cobia fishing trip, make sure you check weather conditions. Never choose a cloudy day as clouds increase water glare making it difficult to spot cobia.

Cobia fishing methods:

Some of the cobia fishing methods are,

  • Bottom fishing
  • Jigging
  • Chumming
  • Spin casting
  • Bottom bouncing

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