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Corydoras is a genus of freshwater catfish in the family Callichthyidae and subfamily Corydoradinae. The species usually have more restricted areas of endemism than other callichthyids, but the area of distribution of the entire genus almost equals the area of distribution of the family, except for Panama where Corydoras is not present. [ 1 ]
Corydoras pygmaeus, or the pygmy corydoras or pygmy catfish [1] is a tropical and freshwater fish belonging to the subfamily Corydoradinae of the family Callichthyidae. It originates in tropical inland waters in South America , and is found in the Madeira River basin in Brazil .
The albino corydoras is an albino variety of the bronze corydoras that has been developed for the aquarium trade, with a pale pink or orange body and red eyes. It is physically similar to normally-colored individuals, although some breeders report that the fry are a little slower to develop. [ 10 ]
However, Sterba's corydoras is a hardy fish and tank bred specimens have adapted to a wider range of water conditions. However, like almost all fish it will not tolerate high levels of nitrates. Unlike some other catfish they are not good algae eaters, but are good at "cleaning up" leftover food and detritus from the substrate.
The spotted corydoras, longnose corydoras or Agassiz's catfish (Corydoras ambiacus) is a tropical freshwater fish belonging to the subfamily Corydoradinae of the family Callichthyidae. It originates in inland waters in South America and is found in the upper Amazon River basin in Brazil , Colombia and Peru .
Corydoras reticulatus, also called the reticulated corydoras, mosaic corydoras, network catfish, or network corydoras, is a tropical freshwater fish belonging to the Corydoradinae sub-family of the family Callichthyidae. It originates in inland waters in South America, and is found in the Lower Amazon River basin in Brazil.
Corydoras trilineatus Cope , 1872 The three stripe corydoras ( Corydoras trilineatus ), leopard catfish , false julii corydoras , or three line catfish is a tropical freshwater fish belonging to the subfamily Corydoradinae of the family Callichthyidae .
The elegant corydoras or elegant catfish (Corydoras elegans) is a tropical freshwater fish belonging to the subfamily Corydoradinae of the family Callichthyidae. It originates in inland waters in South America , and is found in the Upper Amazon River basin in Brazil , Colombia and Peru .