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''Glyphis'' also known as the River sharks is a genus in the family Carcharhinidae. This genus contains only three species. Further species could easily remain undiscovered, due to the secretive habits of ''Glyphis'' sharks.〔Li, C., Corrigan, S., Yang, L., Straube, N., Harris, M., Hofreiter, M., White, W.T. & Naylor, G.J.P. (2015): (DNA capture reveals transoceanic gene flow in endangered river sharks. ) ''Proceedings of the National Academy of Sciences, 112 (43): 13302-13307.''〕 Their precise geographic range is uncertain, but the known species are documented in parts of South and Southeast Asia and Australia. The bull shark ''(Carcharhinus leucas)'' is sometimes called both the river shark and the Ganges shark; it should not be confused with the river sharks of ''Glyphis''. ==Species== There are currently 3 recognized species in this genus: * ''Glyphis gangeticus'' (J. P. Müller & Henle, 1839) (Ganges shark) * ''Glyphis garricki'' L. J. V. Compagno, W. T. White & Last, 2008 (Northern river shark) * ''Glyphis glyphis'' (J. P. Müller & Henle, 1839) (Speartooth shark) 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「River shark」の詳細全文を読む スポンサード リンク
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