Seriola dorsalis, the California yellowtail, is a species of ray-finned fish of the family Carangidae. It is found in the western central Pacific Ocean. This species is also known by several alternate names, such as yellowtail jack, amberjack, forktail, mossback, white salmon and yellowtail tunis or tuna or by its Spanish name jurel. Fast swimmers, these large fish have countershading, with dark blue dorsal color and silver sides and belly. The. The tail fin is deeply forked. Particularly abundant near oceanic islands such as the Bahamas and Virgin Islands. Yellowtail have an elongate fusiform body shape with a deep forking yellow tail, hence the name (Baxter 1960, Love 2011). Their coloration can vary from a.