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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 Parapterois heterura ： ウィキペディア英語版 Parapterois heterura ''Parapterois heterura'', the blackfoot firefish, is a species of scorpionfish widely distributed on the southeastern coast of Africa as well as off Japan and in Indonesia where it is usually found in sheltered coastal bays with a soft bottom, such as fine sand or mud. It is found in depths ranging from . This species is a sedentary fish and may even bury itself within the substrate. ''P. heterura'' flashes its brightly colored pectoral fins to startle predators and escape, but it may also use these fins to corner prey. This behavior has been demonstrated in other lionfish. This species can be found in the aquarium trade.〔 == Description == ''Parapterois heterura'' grows to a maximum length of TL, however, most specimens are much smaller than this and adults are often about in length.〔 The dorsal fin of this fish has thirteen spines with long filaments on their tips, and nine soft rays. The anal fins have two spines and seven to eight soft rays. The outer rays of the caudal fin also have filamentous extensions.〔 ''Parapterois heterura'' is very similar in appearance to the closely related 'Parapterois macrura''. The two species differ in that ''P. heterura'' has scales in a pit between the posterior nostrils while ''P. macrura'' does not (except for a population of ''P. heterura'' found off the coasts of West India, South Africa, and Mozambique, which may be a different species).〔 These species do not differ much in fin spine, fin ray, gill raker counts, and most body proportions. Their differences lie in a small difference in head proportions.〔 Also, in adults, the upper margin of the eye of ''P. heterura'' is below the base of the first dorsal fin spine, while it is above in ''P. macrura'' (this trait is not consistent in juveniles, in which the eye margin may be below in both species).〔 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「Parapterois heterura」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.