What is Corydoras?
[[File:Corydoras agassizii.jpg|thumb|''[[Corydoras agassizii]]'']] '''''Corydoras''''' is a [[genus]] of [[catfish]] in the family [[Callicthyidae]]. They are called '''corydoras''' or '''cory catfish'''. They are the most well-known callichthyids. The [[emerald catfish]] is the largest ''Corydoras''. == Species == This genus has 162 species. 161 are extant, while only one is extinct: * ''Corydoras acrensis'' <small>Nijssen, 1972</small> (Acre corydoras) * ''Corydoras acutus'' <small>Cope, 1872</small> (Black-top corydoras) * ''Corydoras adolfoi'' <small>W. E. Burgess, 1982</small> (Adolfo's catfish) * ''[[Bronze corydoras|Corydoras aeneus]]'' <small>(T. N. Gill, 1858)</small> (Bronze corydoras) * ''Corydoras agassizii'' <small>Steindachner, 1876</small> * ''Corydoras albolineatus'' <small>Knaack, 2004</small> * ''Corydoras amandajanea'' <small>Sands, 1995</small> * ''Corydoras amapaensis'' <small>Nijssen, 1972</small> (Amapa corydoras) * ''Corydoras ambiacus'' <small>Cope, 1872</small> (Spotted corydoras) * ''Corydoras amphibelus'' <small>Cope, 1872</small> * ''Corydoras apiaka'' <small>Espíndola, M. R. S. Soares, L. R. Rosa & M. R. Britto, 2014</small> * ''Corydoras approuaguensis'' <small>Nijssen & Isbrücker, 1983</small> * ''Corydoras araguaiaensis'' <small>Sands, 1990</small> * ''Corydoras arcuatus'' <small>Elwin, 1938</small> (Skunk corydoras) * ''Corydoras areio'' <small>Knaack, 2000</small> * ''Corydoras armatus'' <small>(Günther, 1868)</small> * ''Corydoras atropersonatus'' <small>S. H. Weitzman & Nijssen, 1970</small> * ''Corydoras aurofrenatus'' <small>C. H. Eigenmann & C. H. Kennedy, 1903</small> * ''Corydoras axelrodi'' <small>Rössel, 1962</small> (Pink corydoras) * ''Corydoras baderi'' <small>Geisler, 1969</small> * ''Corydoras bicolor'' <small>Nijssen & Isbrücker, 1967</small> * ''Corydoras bifasciatus'' <small>Nijssen, 1972</small> (Two-stripe corydoras) * ''Corydoras bilineatus'' <small>Knaack, 2002</small> * ''Corydoras blochi'' <small>Nijssen, 1971</small> (Spot-back corydoras) * ''Corydoras