What does "yellowtail" mean?

Yellowtail: (a) Any one of several species of marine carangoid fishes of the genus Seriola; especially, the large California species (S. dorsalis) which sometimes weighs thirty or forty pounds, and is highly esteemed as a food fish; -- called also cavasina, and white salmon. (b) The mademoiselle, or silver perch. (c) The menhaden. (d) The runner, 12. (e) A California rockfish (Sebastodes flavidus). (f) The sailor's choice (Diplodus rhomboides). Note: Several other fishes are also locally called yellowtail.