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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Southern school whiting ： ウィキペディア英語版 Southern school whiting The southern school whiting, ''Sillago bassensis'', (also known as the silver whiting or trawl whiting) is a common species of coastal marine fish of the smelt-whiting family that inhabits the south and south-west coasts of Australia. Its distribution overlaps a number of other common sillaginids, with careful observation of anatomical features occasionally needed to distinguish between species. The southern school whiting is closely related to the eastern school whiting, ''Sillago flindersi'', and initially were thought to be all one species. The species inhabits both shallow inshore sandy waters, as well as deeper offshore waters, with a transition of habitats occurring with increasing age. It is a predatory fish, taking a variety of crustaceans, polychaetes and bivalves as prey. It reaches sexual maturity at three years of age, and spawns multiple times between December and April. The southern school whiting is commonly caught by commercial and recreational fishermen, often while fishing for related species, especially the sought after King George whiting. The species is marketed fresh in southern Australia. ==Taxonomy and naming== The southern school whiting is one of 29 species in the genus ''Sillago'', which is one of three divisions of the smelt whiting family Sillaginidae. The smelt-whitings are Perciformes in the suborder Percoidea. The species was first examined and named ''Sillago bassensis'' by Georges Cuvier in 1829 from the holotype specimen collected in Western Port of Victoria, which lies on the Bass Strait. A number of re-examinations of the fish commonly called 'school whiting' during the 1980s confirmed the presence of two possible subspecies, which were termed by McKay ''Sillago bassensis bassensis'' and ''Sillago bassensis flindersi'', the Western school whiting and Eastern school whiting respectively. McKay hypothesized the two species diverged during the last ice age which left a land bridge from mainland Australia to Tasmania open during the Pleistocene, effectively isolating two pockets of fish, allowing genetic divergence. These two subspecies are now treated as separate species, despite a relatively young divergence time. The identification of a further species of school whiting from Western Australia, ''Sillago vittata'', caused the common name 'western school whiting' to applied to this species, while ''S. bassensis'' is now referred to as the 'Southern school whiting', causing some confusion. The species is often termed the 'silver whiting' by recreational fishermen in reference to the bright silvery longitudinal strip on the fish, while the name 'trawl whiting' refers to the fact large quantities are taken in commercial trawls.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Southern school whiting」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.