The hog-nosed catfish (''Corydoras multiradiatus'') is a tropical

freshwater Fresh water or freshwater is any naturally occurring liquid or frozen water containing low concentrations of dissolved salts and other total dissolved solids. Although the term specifically excludes seawater and brackish water, it does include ...

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 The Amazon basin is the part of South America drained by the Amazon River and its tributaries. The Amazon drainage basin covers an area of about , or about 35.5 percent of the South American continent. It is located in the countries of Bolivi ...

in Ecuador and Peru. This species is traditionally placed in ''Brochis'' but the genus is a synonym of ''Corydoras''.

FishBase FishBase is a global species database of fish species (specifically finfish). It is the largest and most extensively accessed online database on adult finfish on the web.

continues to recognize ''Brochis'' as a valid genus. The fish has about 17 dorsal fin rays as compared with the 11 or 12 commonly seen in ''

Corydoras splendens The emerald catfish (''Corydoras splendens'') is a tropical freshwater fish belonging to the Corydoradinae sub-family of the family Callichthyidae native to the Amazon Basin in South America. It has traditionally been known as ''Brochis splendens ...

''. The snout is considerably longer than other species in the genus which explains the common name. The fish will grow in length up to . The hog-nosed catfish lives in a tropical climate in water with a 6.0–7.2 pH, a water hardness of 15

dGH Degrees of general hardness (dGH or °GH) is a unit of water hardness, specifically of general hardness. General hardness is a measure of the concentration of divalent metal ions such as calcium (Ca2+) and magnesium (Mg2+) per volume of water. S ...

, and a temperature range of . It feeds on worms,

benthic The benthic zone is the ecological region at the lowest level of a body of water such as an ocean, lake, or stream, including the sediment surface and some sub-surface layers. The name comes from ancient Greek, βένθος (bénthos), meaning "t ...

crustaceans, insects, and plant matter. It lays eggs in dense vegetation and adults do not guard the eggs. The hog-nosed catfish is of commercial importance in the aquarium trade industry, although it is relatively rare or confused with ''C. splendens''. Care is virtually identical to ''C. splendens''.

References

* {{Taxonbar, from=Q3765938 Callichthyidae Catfish of South America Catfish Catfish Catfish Fish described in 1960

See also

References