yellowtail

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Any of several large marine fishes of the genus Seriola having a yellowish tail, especially S. lalandi of subtropical waters worldwide, which is a popular game fish in coastal waters of southern California and Mexico.
• noun Any of several other fishes having a yellowish tail, such as the yellowtail flounder (Limanda ferruginea), the yellowtail snapper (Ocyurus chrysurus), and the North American silver perch.

from The Century Dictionary.

• noun A fish, Ocyurus chrysurus, belonging to the family Lutianidæ, and found from Florida to Brazil.
• noun In Victoria and New South Wales, Trachurus declivis, a species slightly different from the horse-mackerel of Europe.
• noun An earthworm yellow about the tail.
• noun One of various fishes.
• Yellow-tailed.

from the GNU version of the Collaborative International Dictionary of English.

• noun Any one of several species of marine carangoid fishes of the genus Seriola; especially, the large California species (Seriola dorsalis) which sometimes weighs thirty or forty pounds, and is highly esteemed as a food fish; -- called also cavasina, and white salmon.
• noun The mademoiselle, or silver perch.
• noun The menhaden.
• noun The runner, 12.
• noun A California rockfish (Sebastodes flavidus).
• noun The sailor's choice (Diplodus rhomboides).

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A fish native to the northwest Pacific, often used in sushi.
• noun Any of various fish, see Wikipedia

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun game fish of southern California and Mexico having a yellow tail fin
• noun superior food fish of the tropical Atlantic and Caribbean with broad yellow stripe along the sides and on the tail