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Backwater butterfly ray : ウィキペディア英語版 | Backwater butterfly ray
The backwater butterfly ray, butterfly ray, diamond ray, or short-tailed ray (''Gymnura natalensis'') is a species of fish in the Gymnuridae family. It is found in Mozambique, Namibia, South Africa, possibly Kenya, and possibly Tanzania. Its natural habitats are open seas, shallow seas, estuarine waters, and coastal saline lagoons. It is threatened by habitat loss. The population is unknown but was considered common from 1940s-1960s but further studies are needed. ==Source==
* Wintner, S.P. 2005. (Gymnura natalensis ). (2006 IUCN Red List of Threatened Species. ) Downloaded on 3 August 2007.
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「Backwater butterfly ray」の詳細全文を読む
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