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corydoras
Members of the South American ''Corydoras'' genus are freshwater temperate and tropical catfish in the armored catfish family (Corydoradinae subfamily), and are commonly referred to as corydoras, cories, or cory catfish.
==Taxonomy==
The name ''Corydoras'' is derived from the Greek ''kory'' (helmet) and ''doras'' (skin). ''Corydoras'' is by far the largest genus of Neotropical fishes with more than 142 species.〔 In addition, many variants exist. It is the sole genus in the tribe Corydoradini.〔 ''C. difluviatilis'' is recognized as the basalmost species of Corydoradini, exhibiting several plesiomorphic features compared to the other species of ''Corydoras''.〔 The type species for this genus is ''Corydoras geoffroy''.〔 Several hundred ''Corydoras'' species are not yet classified, but kept by aquarists. These species are given 'C-numbers', originally devised by Hans-Georg Evers for the German fishkeeping magazine ''DATZ'' in 1993. In 2006, 153 C-numbers had been assigned, of which 32 had been assigned appropriate scientific names.〔(【引用サイトリンク】 first = H.-G. )〕
The species ''C. barbatus'', ''C. macropterus'', and ''C. prionotos'' have been reclassified into the genus ''Scleromystax''. ''Brochis'' had been differentiated from ''Corydoras'' due to the higher number of dorsal fin rays; however, ''Brochis'' has recently been suggested to be a synonym of ''Corydoras''.〔 This is contested and has not been universally accepted. The sixray corydoras belongs in ''Aspidoras''.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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