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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 redbelly dace ： ウィキペディア英語版 Southern redbelly dace The southern redbelly dace (''Chrosomus erythrogaster''), is a North American species of temperate freshwater fish of the Cyprinidae family. The natural geographic range extends from Western New York to Minnesota, and south to Oklahoma, Arkansas, and Alabama.〔Page, Lawrence M. and Brooks M. Burr (1991), ''Freshwater Fishes'', p. 84, Houghton Mifflin, New York, NY. ISBN 0-395-91091-9〕 This fish prefers flowing pools of creeks and streams.〔 The extremely similar northern redbelly dace can be distinguished by a rounder, blunter head and a more upturned mouth, as well as by differences in spawning behavior.〔 Also, male southern redbelly dace show a characteristic red belly in spring while their northern counterparts keep a white belly.〔Richard H. Stasiak (2007), "Southern Redbelly Dace (Phoxinus erythrogaster): a technical conservation assessment", p. 11, USDA Forest Service, Rocky Mountain Region. Available: http://www.fs.fed.us/r2/ projects/scp/assessments/southernredbellydace.pdf〕 ==Description== Maximum length is reported as 9.1 cm TL, but average length is typically 5.8 cm TL.〔D.O. Hugg (1996), "MAPFISH georeferenced mapping database. Freshwater and estuarine fishes of North America" 1278 Turkey Point Road, Edgewater, Maryland, USA.〕 The fish live a few years, the maximum reported at 3.〔 These dace have horizontal black stripes and a silvery area above the black stripe. Males have red or yellow stripes below the main black stripe that are especially evident during breeding season.〔 The southern redbelly dace has two sets of paired fins located distal to the operculum, the pectoral and ventral fins. These are followed distally by the anal fin and caudal fin. All fins are yellow, with the dorsal and caudal fins having a red base at their proximal connection. The caudal fin has a notched shape with two points. The rays in the fins are soft and are called "soft rays."〔 Their fusiform body shape is efficient for swimming through moving waters. 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 redbelly dace」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.