1) Ahi 2) Tuna 1) Cowardly end in Cannes 2) May reach 400 pounds 3) Thunnus albacares 4) Tuna 5) Tunny 6) Worldwide in tropics 7) Yellowfin tuna 
• (n.) A large squeteague.
Waters:Atlantic, Pacific, and Gulf coasts Description (in water): The smallest members of the drum family, croakers range from 1/2 lb. to 3 lbs. They are usually silvery in color; spotfin has a pale steel-blue cast and a characteristic black spot under the pectoral fin, while yellowfin has grayish-green sides with dark wavy lines and yellow scales. Description (in market): Lean white meat that's tender and full-flavored. The skin is edible. ...
Yel'low·fin` noun (Zoology) A large squeteague. 
[n] - may reach 400 pounds
yellowfin tuna noun may reach 400 pounds; worldwide in tropics