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Bigeye Tuna illustration

Bigeye Tuna

World Record ~ 435 Lbs caught in Cabo Blanco, Peru  on Apr. 17, 1957 by fisherman Dr. Russell Lee

Scientific name ~ Thunnus Obesus

Other names ~ Bigeyed Tuna, Bigeye Tunny, Ahi

Identification ~ Bigeye tuna is dark metallic blue on the back and upper sides with white lower sides and belly. The first dorsal fin is deep yellow, the second dorsal and anal find are brownish or yellowish with narrow black edges, and the finlets are bright yellow with broad black edges. Their bodies are stocky and robust, and adults' eyes are large.

Size ~  The Bigeye caught by sport fishermen typically measure from 18 inches to 70 inches.

Habitat ~ Bigeye tuna is found in the Atlantic, Pacific, and Indian oceans in warmer temperature waters between 55 and 84 F. In the western Atlantic, they can be found from Nova Scotia to Argentina, including the Caribbean and the Gulf of Mexico. Bigeye tuna are a pelagic species - they are found from the surface to about 800 feet deep. Bigeye tuna are highly migratory. Juvenile and small adult Bigeye tuna form schools mostly mixed with other tunas such as yellowfin and skipjack, especially in warm waters. These schools are often associated with drifting objects

Feeding Habits ~ Bigeye tuna feed at night and during the day on fishes, squid, and crustaceans found from the surface to a depth of 500 feet. They favor shrimp, mackerel, and other small tuna.

Fishing Prints


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