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''Naso'' is a genus of fish in the surgeonfish family, Acanthuridae. Fish of this genus are known commonly as unicornfishes because of the "rostral protuberance", a hornlike extension of the snout present in some species.〔Dayton, C. (2001). (Genetic evolution among selected members of the genus ''Naso'' (Nasinae), "unicornfishes" from Guam. ) ''Marine Biology'' 139(4), 771-76.〕 This genus is distributed across the Indo-Pacific from Africa to Hawaii.〔Borden, W. C. (1998). (Phylogeny of the unicornfishes (''Naso'', Acanthuridae) based on soft anatomy. ) ''Copeia'' 1998(1) 104-13.〕 ==Species== The 20 currently recognized species in this genus are: * ''Naso annulatus'' (Quoy & Gaimard, 1825) – whitemargin unicornfish * ''Naso brachycentron'' (Valenciennes, 1835) – humpback unicornfish * ''Naso brevirostris'' (G. Cuvier, 1829) – short-nosed unicornfish, spotted unicornfish * ''Naso caeruleacauda'' J. E. Randall, 1994 – bluetail unicornfish, blue unicorn * ''Naso caesius'' J. E. Randall & Bell, 1992 – gray unicornfish * ''Naso elegans'' (Rüppell, 1829) – elegant unicornfish, orange-spine unicorn * ''Naso fageni'' Morrow, 1954 – horseface unicornfish * ''Naso hexacanthus'' (Bleeker, 1855) – sleek unicornfish, blacktongue unicorn * ''Naso lituratus'' (J. R. Forster, 1801) – orangespine unicornfish * ''Naso lopezi'' Herre, 1927 – elongated unicornfish * ''Naso maculatus'' J. E. Randall & Struhsaker, 1981 – spotted unicornfish * ''Naso mcdadei'' J. W. Johnson, 2002 – squarenose unicornfish * ''Naso minor'' (J. L. B. Smith, 1966) – slender unicorn * ''Naso reticulatus'' J. E. Randall, 2001 – reticulated unicornfish * ''Naso tergus'' H. C. Ho, K. N. Shen & C. W. Chang, 2011 * ''Naso thynnoides'' (G. Cuvier, 1829) – oneknife unicornfish * ''Naso tonganus'' (Valenciennes, 1835) – bulbnose unicornfish * ''Naso tuberosus'' Lacépède, 1801 – humpnose unicornfish * ''Naso unicornis'' (Forsskål, 1775) – bluespine unicornfish * ''Naso vlamingii'' (Valenciennes, 1835) – bignose unicornfish 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「Naso (genus)」の詳細全文を読む スポンサード リンク
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