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The blue corydoras or Natterer's catfish (''Corydoras nattereri'') is a tropical freshwater fish belonging to the Corydoradinae sub-family of the Callichthyidae family. It originates in coastal rivers in South America, and is found in the Brazil from Espírito Santo to Paraná. It is named for Johann Natterrer, its discoverer. The fish has clear fins with no pattern. The ventrals are light, opaque yellow. Highlights sseen about the gill plates are green. The belly is yellowish. It has a pronounced dark stripe along the length of the body. General color of the body is light, tending towards yellow. Its eyes are gold. It will grow in length up to . It lives in a tropical climate in water with a 6.0 – 8.0 pH, a water hardness of 2 – 25 dGH, and a temperature range of . It feeds on worms, benthic crustaceans, insects, and plant matter. It lays eggs in dense vegetation and adults do not guard the eggs. The blue corydoras is of commercial importance in the aquarium trade industry. ==See also== * List of freshwater aquarium fish species 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「Blue corydoras」の詳細全文を読む スポンサード リンク
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