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Blacktip trevally
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Blacktip trevally : ウィキペディア英語版
Blacktip trevally

The blacktip trevally, ''Caranx heberi'' (also known as the blacktip kingfish and yellowtail kingfish), is a species of large marine fish classified in the jack family Carangidae. The blacktip trevally is distributed throughout the tropical to subtropical Indian and West Pacific Oceans, ranging from South Africa in the west to Fiji, Japan and northern Australia in the east. It inhabits coastal waters throughout its range, preferring moderately deep clear waters over rocky and coral reefs. The blacktip trevally is easily distinguished by its yellow fins and a dark upper caudal fin lobe which gives the species its common name, as well as a host of other anatomical features. The species is known to reach a maximum size of 1 m. It is a benthopelagic predator, commonly forming small shoals where it takes a variety of fishes, cephalopods and crustaceans as prey. Little is known of reproduction in the species, and spawning is assumed to take place in more tropical regions of its range, with juveniles known to inhabit bays and large estuaries. Blacktip trevally are often caught using hook and line and various nets in commercial fisheries although don't make up a large part of the market. They are also popular with anglers due to their fighting ability and decent table qualities.
==Taxonomy and naming==
The blacktip trevally is classified within the genus ''Caranx'', one of a number of groups known as the jacks or trevallies. ''Caranx'' itself is part of the larger jack and horse mackerel family Carangidae, a group of percoid fishes in the order Perciformes.
As currently accepted, the species was first scientifically described by John Whitchurch Bennett in 1830 based on the holotype specimen taken from the south coast of Sri Lanka. He named this new species ''Scomber heberi'', placing it in the mackerel genus which at that time was a common genus for placing carangid fishes. The origin of the specific epithet is unclear, with it possibly named after someone or relate to the German word ''Heber'', meaning "lob".〔 With the creation of the genus ''Caranx'', the species was transferred there, where it has remained. There is some confusion over a species described by Peter Forsskål in 1775 under the name ''Scomber sansun'' and later transferred to ''Caranx sansun''. This species is still listed as valid by some authorities, although a 1968 review of the taxon by J.L.B. Smith failed to find the holotype and suggested a new name with holotype be introduced to replace it; ''Caranx williamsi''. This name was sunk into ''C. heberi'' by William Smith-Vaniz in a major review, indicating ''C. sansun'' also should be sunk. Despite this, the name remains valid amongst some authorities. A second, later independent description of the fish by Georges Cuvier produced the name ''Caranx sem'', which became common throughout the literature. Probable synonymy with ''C. heberi'' was recognized by Henry Fowler in 1905
and is currently recognized as such due to formal synonymisation by John Randall.

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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