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Yellowfin tuna have yellow sides, blue backs, silver bellies and can weigh up to 450 pounds, whereas Pacific yellowtail have yellow stripes across their bodies, a yellow tail and weigh between 10 and 20 pounds when caugh... More »

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The differences between bigeye tuna and yellowfin tuna, the two species of ahi, are that bigeye has extremely large eyes, a plump body and a larger head than yellowfin. Yellowfin tuna has bright yellow finlets with soft ... More »

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The gender of male and female blue catfish can be determined by the distinctive humps that appear on the backs of the males between the dorsal fins and the head. The females are more streamlined and can reach any size, b... More »

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Blue marlins eat a variety of fish, including tuna and tuna-like fish, mackerel and younger members of the Balistidae and Acanthuridae families. They also eat squid and crustaceans. Blue marlins take prey from the open s... More »

www.reference.com Pets & Animals Marine Life Fish

Bluefin tuna feed primarily on other fish, including herring, anchovies, sardines and mackerel, according to the Office of Protected Resources. Young bluefin tuna also eat some crustaceans. The bluefin tuna is the larges... More »

www.reference.com Pets & Animals Marine Life Fish

The differences between bigeye tuna and yellowfin tuna, the two species of ahi, are that bigeye has extremely large eyes, a plump body and a larger head than yellowfin. Yellowfin tuna has bright yellow finlets with soft ... More »

www.reference.com Pets & Animals Marine Life Fish

Albacore is a type of tuna. It is distinguished from chunk light tuna in that chunk light tuna is typically made from the skipjack species. Canned albacore tuna contains higher amounts of mercury than chunk light tuna, a... More »

www.reference.com Pets & Animals Marine Life Fish