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Callichthys
''Callichthys'' is a small genus of freshwater catfish in the Callichthyinae subfamily of the armored catfish family, and consists of 4 species from South America. The genus ''Callichthys'' is distributed in most freshwater drainages of South America. ==Taxonomy== The type species for this genus is ''Silurus callichthys''. The name ''Callichthys'' is derived from the Greek ''kallos'' (beautiful) and ''ichthys'' (fish). 3 of the 4 species were described only relatively recently. The genus ''Callichthys'' is in need of taxonomic work, as it includes 13 nominal species but specimens of this genus are usually referred to as ''C. callichthys'' regardless of collecting locality.〔 ''Callichthys'' is the most basal member of the subfamily Callichthyinae.〔 Linnaeus described the first species in this genus in 1758, but three other members have been found since 1999.
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「Callichthys」の詳細全文を読む
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