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''Kryptopterus'' is a genus of catfishes belonging to the family Siluridae. They are found in freshwater throughout Southeast Asia. The scientific name comes from Ancient Greek ''kryptós'' (κρυπτός, "hidden") + ''ptéryx'' (πτέρυξ, "fin"). It refers to the reduced or even entirely absent dorsal fin of these catfishes. These small- to medium-sized catfishes have opaque, transparent or translucent bodies, hence their common name Asian glass catfishes. Despite this name, only three described species have clearly transparent bodies: ''K. minor'', ''K. piperatus'' and ''K. vitreolus''.〔Ng, H-H. and M. Kottelat (2013). ''After eighty years of misidentification, a name for the glass catfish (Teleostei: Siluridae)'' Zootaxa 3630: 308-316.〕 Most significant among these is the ghost catfish (''K. vitreolus''), which is the "glass catfish" most often seen in the aquarium fish trade. This species was initially confused with the larger glass catfish (''K. bicirrhis''; infrequent in aquarium trade) and subsequently with ''K. minor'' (essentially absent from aquarium trade). This matter was only fully resolved in 2013.〔〔SeriouslyFish: ''(Kryptopterus vitreolus. )'' Retrieved 18 July 2014.〕 ==Species== While 19 species have been described as of 2013, the genus ''Kryprtopterus'' is notoriously rich in cryptic species. A number of these have been recognized in recent years, and more are likely to follow:〔 * ''Kryptopterus baramensis'' Ng, 2002 * ''Kryptopterus bicirrhis'' (Valenciennes, 1840) * ''Kryptopterus cheveyi'' Durand, 1940 * ''Kryptopterus cryptopterus'' (Bleeker, 1851) * ''Kryptopterus dissitus'' Ng, 2001 (Indochinese sheatfish) * ''Kryptopterus geminus'' Ng, 2003 * ''Kryptopterus hesperius'' Ng, 2002 (Maeklong sheatfish) * ''Kryptopterus lais'' (Bleeker, 1851) * ''Kryptopterus limpok'' (Bleeker, 1852) (Long-barbel sheatfish) * ''Kryptopterus lumholtzi'' Rendahl (de), 1922 * ''Kryptopterus macrocephalus'' (Bleeker, 1858) (Striped glass catfish) * ''Kryptopterus minor'' Roberts, 1989 * ''Kryptopterus mononema'' (Bleeker, 1846) * ''Kryptopterus palembangensis'' (Bleeker, 1852) * ''Kryptopterus paraschilbeides'' Ng, 2003 * ''Kryptopterus piperatus'' Ng, Wirjoatmodjo & Hadiaty, 2004 * ''Kryptopterus sabanus'' (Inger & Chin, 1959) * ''Kryptopterus schilbeides'' (Bleeker, 1858) * ''Kryptopterus vitreolus'' Ng & Kottelat, 2013 (Ghost catfish, phantom catfish, ghost fish, glass catfish)〔Ng, H.H. & Kottelat, M. (2013): After eighty years of misidentification, a name for the glass catfish (Teleostei: Siluridae). ''Zootaxa, 3630 (2): 308–316.'', 〕 Some species formerly placed in ''Kryptopterus'' are nowadays in other Siluridae genera, in particular ''Phalacronotus'' but also ''Micronema'' and ''Pterocryptis''. 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「Kryptopterus」の詳細全文を読む スポンサード リンク
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