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Dwarf corydoras
The dwarf corydoras (''Corydoras hastatus''), dwarf catfish, tail spot pygmy catfish, or micro catfish is a tropical freshwater fish belonging to the Corydoradinae sub-family of the Callichthyidae family. It originates in inland waters in South America, and is found in the Amazon River and Paraguay River basins in Argentina, Bolivia, and Brazil.〔 The specific epithet ''hastatus'' means ''with a spear'', in reference to the spearhead-like spot on the tail root.
==Physical appearance==
The body of ''Corydoras hastatus'' is typically more elongated than other ''Corydoras'' species. Its body is a translucent white to olive color, with a thin dark stripe on the sides from behind the gill cover to the root of the tail, and a whitish belly. It has a white crescent at the base of the tail surrounding a black spot. The fish will grow in length up to 1.4 inches (3.5 cm), but 1.0 inch (2.5 cm) is more typical. Males are smaller, more slender and have a more pointed dorsal fin than females.
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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