Longfin yellowtail (Seriola rivoliana) is a saltwater species recorded in Singapore, United States. It is mainly found over reef, at depths of 5–245 m. The main season in Singapore, United States runs spring, autumn.
Scientific name: Seriola rivoliana · Water: Saltwater · Season: Spring, Autumn
Size: up to 160 cm
The longfin yellowtail is a carangid whose adults live in the bottom layer on outer reef slopes and offshore banks down to 160 m and beyond, forming small groups, while young fish are often seen around floating objects. They feed mainly on fishes and also on invertebrates, and the eggs are pelagic. It is marketed fresh and also salted or dried. It occurs in subtropical and temperate waters between roughly 43 degrees north and 38 degrees south, and is in season in autumn. It lives from 5 to 245 m, usually between 30 and 35 m, and reaches about 160 cm fork length, commonly 90 cm total length, and up to about 59.9 kg. It is uncommon on East Indian reefs but occasionally found in the cool upwelling areas of the Lesser Sunda Islands. It supports commercial fisheries and is a game fish, selling in the highest price band, with a trophic level of 4.5, high to very high fishing vulnerability at 74 of 100, and low resilience.
Caution: large individuals carry a ciguatera risk. Heat, cold and marinating do not remove the toxin, which concentrates in the liver, roe and head, so avoid eating those parts. Seek medical help if numbness, tingling or a reversed sense of hot and cold follows a meal.
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