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Longrakered trevally
The longrakered trevally, ''Ulua mentalis'', (also known as the cale cale trevally and heavyjawed kingfish) is a species of marine fish in the jack and horse mackerel family Carangidae. The longrakered trevally is distributed throughout the tropical and subtropical waters of the Indian and west Pacific Oceans, from Mozambique and Madagascar in the west, to Japan and northern Australia in the east. A large species growing to a recorded length of 1 m, the longrakered trevally is distinguished by is protruding lower jaw, elongated gill rakers and lack of villiform teeth on its tongue. It is an inshore species, restricted to coastal and estuarine regions, where it preys on fishes and crustaceans. Little is known of the species reproductive cycle or growth. The longrakered trevally is of minor importance to fisheries and is often taken as bycatch in finfish and prawn trawls, as well as by recreational fishermen.
==Taxonomy and naming==
The longrakered trevally is one of two species in the genus ''Ulua'', one of around thirty genera in the jack and horse mackerel family Carangidae. The Carangidae are perciform fishes in the suborder Percoidei.
The longrakered trevally was first scientifically described by the famed French naturalist Georges Cuvier in his 1833 volume ''Histoire Naturelle des Poissons''. Cuvier based his description off the designated holotype specimen collected from the Red Sea near the port city of Massawa in Eritrea. Cuvier named the species ''Caranx mentalis'', with the specific epithet derived from the Latin word for "chin". In 1908 the American ichthyologists David Starr Jordan and John Snyder described ''Ulua richardsoni'' and in the process erected a new genus for the species. Subsequent review has shown the designation of a new genus to be correct, however ''U. richardoni'' was found to be synonymous with ''C. mentalis''. ICZN rules state that the first description takes priority, thus the combination of ''Ulua mentalis'' is currently accepted. Between 1833 and 1908, three other redescriptions were published, with William Macleay's ''Caranx mandibularis'' entering common usage before priority was established.
The species is commonly referred to as the 'longrakered trevally' or 'heavyjawed kingfish' in reference to the protruding lower jaw, with the name 'cale cale trevally' also used, predominantly in Australia.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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