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''Proterorhinus'' is a genus of gobies native to Eurasia where they occur in the region of the Caspian and Black seas, inhabiting marine, brackish and fresh waters. Until recently, the genus was considered monotypic, only comprising the tubenose goby ''Proterorhinus marmoratus''. Following molecular and further morphological investigations it has been split into several taxa, with distinct distributions in marine vs. fresh waters and in the Black Sea vs. Caspian Sea basins.〔〔Neilson M.E., Stepien C.A. (2009) Evolution and phylogeography of the tubenose goby genus ''Proterorhinus'' (Gobiidae: Teleostei): evidence for new cryptic species. Biological Journal of the Linnean Society, 96(3): 664–684.()〕 ==Species== There are currently five recognized species in this genus: * ''Proterorhinus marmoratus'' (Pallas, 1814) (tubenose goby) * ''Proterorhinus nasalis'' (De Filippi, 1863) (eastern tubenose goby) * ''Proterorhinus semilunaris'' (Heckel, 1837) (western tubenose goby) * ''Proterorhinus semipellucidus'' (Kessler, 1863) (? = ''P. nasalis'').〔Brian W. Coad (Freshwater Fishes of Iran ) (accessed 22 Feb 2015)〕 * ''Proterorhinus tataricus'' Freyhof & Naseka, 2007 (Chornaya tubenose goby)〔Freyhof J., Naseka A.M. (2007) ''Proterorhinus tataricus'', a new tubenose goby from Crimea, Ukraine (Teleostei: Gobiidae). Ichthyological Exploration of Freshwaters, 18(4): 325–334.()〕 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「Tubenose goby」の詳細全文を読む スポンサード リンク
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