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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 Australian sawtail catshark ： ウィキペディア英語版 Australian sawtail catshark The Australian sawtail catshark (''Figaro boardmani'') is a common species of catshark, and part of the family Scyliorhinidae, endemic to southern Australian waters. It is found on or near the bottom of the outer continental shelf and upper continental slope, at depths of . This slim-bodied species is characterized by crests of enlarged dermal denticles along both the dorsal and ventral edges of its caudal fin and caudal peduncle, along with a color pattern of broad, dark saddles outlined in white. It can grow to in length. The Australian sawtail catshark feeds mainly on fishes, crustaceans, and cephalopods. Females are oviparous and lay eggs enclosed by capsules. This species is often caught incidentally by commercial bottom trawl fisheries, but is not significantly threatened by fishing activity. Thus, it has been assessed as of Least Concern by the International Union for Conservation of Nature (IUCN). ==Taxonomy== Australian ichthyologist Gilbert Percy Whitley originally described the Australian sawtail catshark as ''Pristiurus boardmani'', in a 1928 issue of the scientific journal ''Records of the Australian Museum'', and placed it within his newly created subgenus ''Figaro''. Whitley named the species after his friend and colleague William Boardman, who collected the first known specimens, including the holotype: a long adult male trawled by the ''Bar-ea-mul'' on 18 July 1925, northeast of Montague Island off New South Wales. Another common name for this species is banded shark.〔 Both ''Pristiurus'' and ''Figaro'' have generally been considered junior synonyms of the genus ''Galeus''; in 2008, Commonwealth Scientific and Industrial Research Organisation (CSIRO) researchers Daniel Gledhill, Peter Last, and William White resurrected ''Figaro'', with ''F. boardmani'' as the type species. Whitley regarded sharks from the Great Australian Bight as representing a distinct subspecies, ''F. b. socinus'', which has not been recognized by subsequent authors.〔 However, individuals from different portions of its range do exhibit minor differences in morphology and coloration, which merit further study.〔 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「Australian sawtail catshark」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.