Callichthyidae is a family of catfishes, called armored catfishes due to the two rows of bony plates along the lengths of their bodies. It contains some of the most popular freshwater aquarium fish, such as many species in the genus Corydoras.
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. Corydoras species are distributed in South America where they can be found from the east of the Andes to the Atlantic coast, from Trinidad to the Río de la Plata drainage in northern Argentina. Species assigned to Corydoras display a broad diversity of body shapes and coloration. Corydoras are small fish, ranging from 2.5 to 12 cm in SL., and are protected from predators by their body armor and by their sharp, typically venomous spines.
Adolfo's catfish 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 Rio Negro basin and the Rio Uapes in Brazil. It is also known as Adolfo's corydoras. It has similar patterns to the C. imitator but it has a shorter snout and red coloration in front of its dorsal fin.
The pink corydoras 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 Meta River basin in Colombia. A maximum body length of 4.2 cm has been reported. It was named in honor of pet-book publisher Herbert R. Axelrod (1927–2017), who helped collect type series and sent it to the Senckenberg Museum in Frankfurt, Germany.
The banded corydoras or bearded catfish is a subtropical freshwater fish belonging to the subfamily Corydoradinae of the family Callichthyidae. It originates in coastal drainages in South America from Rio de Janeiro to Santa Catarina, Brazil.
The barredtail corydoras or Cochu's catfish 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 Upper Araguaia River basin in Brazil. In the system of "C-Numbers" developed by the German fishkeeping magazine DATZ to identify undescribed species of Corydoras in the aquarium hobby, this fish had been assigned number "C22" until it was correctly identified.
Corydoras ehrhardti is a tropical freshwater fish belonging to the Corydoradinae sub-family of the family Callichthyidae. It originates in coastal rivers in the Santa Catarina and Paraná states of Brazil from the Iguazu River basin.
Corydoras geoffroy is a tropical freshwater fish belonging to the Corydoradinae sub-family of the family Callichthyidae. It originates in coastal rivers in South America, and is found in Suriname and French Guiana.
The hog-nosed catfish is a tropical freshwater fish belonging to the Corydoradinae sub-family of the family Callichthyidae. It is native to South America, and is found in the western Amazon basin in Ecuador and Peru. This species is traditionally placed in Brochis but the genus is a synonym of Corydoras. FishBase continues to recognize Brochis as a valid genus.
The sixray corydoras or false 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 upper Araguaia River basin in Brazil.
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.
Callichthys callichthys, the cascarudo, armored catfish, bubblenest catfish, hassar, or mailed catfish, is a subtropical freshwater fish belonging to the subfamily Callichthyinae of the family Callichthyidae.
Corydoras diphyes is a tropical freshwater fish belonging to the Corydoradinae sub-family of the family Callichthyidae. It originates in inland waters in South America. Corydoras diphyes is restricted to tributaries of the río Monday and the río Acaray, and right bank tributaries of the río Paraná in Paraguay.
Corydoras cruziensis is a tropical freshwater fish belonging to the Corydoradinae sub-family of the family Callichthyidae. It originates in inland waters in South America. Corydoras cruziensis is found in the Madeira River basin in Bolivia.
Corydoras isbrueckeri is a tropical freshwater fish belonging to the Corydoradinae sub-family of the family Callichthyidae. It originates in inland waters in South America. Corydoras isbrueckeri is found in Bolivia.
Corydoras paragua is a tropical freshwater fish belonging to the Corydoradinae sub-family of the family Callichthyidae. It originates in inland waters in South America. Corydoras paragua is found in Bolivia.
Corydoras noelkempffi is a tropical freshwater fish belonging to the Corydoradinae sub-family of the family Callichthyidae. It originates in inland waters in South America. Corydoras noelkempffi is found in Bolivia.
Corydoras pantanalensis is a tropical freshwater fish belonging to the Corydoradinae sub-family of the family Callichthyidae. It originates in inland waters in South America. Corydoras pantanalensis is found in the Cussis and Las Petas River basins in Bolivia.
Corydoras coriatae is a tropical freshwater fish belonging to the Corydoradinae sub-family of the family Callichthyidae. It is endemic to the Ucayali River basin in Peru.
Corydoras parallelus is a tropical freshwater fish belonging to the Corydoradinae sub-family of the family Callichthyidae. It originates in inland waters in South America. Corydoras parallelus is restricted to the Upper Rio Negro basin in Brazil.
