Corydoras

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.

This genus has 162 species. 161 are extant, while only one is extinct:

• Corydoras acrensis Nijssen, 1972 (Acre corydoras)
• Corydoras acutus Cope, 1872 (Black-top corydoras)
• Corydoras adolfoi W. E. Burgess, 1982 (Adolfo's catfish)
• Corydoras aeneus (T. N. Gill, 1858) (Bronze corydoras)
• Corydoras agassizii Steindachner, 1876
• Corydoras albolineatus Knaack, 2004
• Corydoras amandajanea Sands, 1995
• Corydoras amapaensis Nijssen, 1972 (Amapa corydoras)
• Corydoras ambiacus Cope, 1872 (Spotted corydoras)
• Corydoras amphibelus Cope, 1872
• Corydoras apiaka Espíndola, M. R. S. Soares, L. R. Rosa & M. R. Britto, 2014
• Corydoras approuaguensis Nijssen & Isbrücker, 1983
• Corydoras araguaiaensis Sands, 1990
• Corydoras arcuatus Elwin, 1938 (Skunk corydoras)
• Corydoras areio Knaack, 2000
• Corydoras armatus (Günther, 1868)
• Corydoras atropersonatus S. H. Weitzman & Nijssen, 1970
• Corydoras aurofrenatus C. H. Eigenmann & C. H. Kennedy, 1903
• Corydoras axelrodi Rössel, 1962 (Pink corydoras)
• Corydoras baderi Geisler, 1969
• Corydoras bicolor Nijssen & Isbrücker, 1967
• Corydoras bifasciatus Nijssen, 1972 (Two-stripe corydoras)
• Corydoras bilineatus Knaack, 2002
• Corydoras blochi Nijssen, 1971 (Spot-back corydoras)
• Corydoras boehlkei Nijssen & Isbrücker, 1982
• Corydoras boesemani Nijssen & Isbrücker, 1967
• Corydoras bondi Gosline, 1940 (Black-stripe corydoras)
• Corydoras breei Isbrücker & Nijssen, 1992
• Corydoras brevirostris Fraser-Brunner, 1947
• Corydoras britskii (Nijssen & Isbrücker, 1983) (Britski's catfish)
• Corydoras brittoi Tencatt & Ohara, 2016
• Corydoras burgessi H. R. Axelrod, 1987
• Corydoras carlae Nijssen & Isbrücker, 1983
• Corydoras caudimaculatus Rössel, 1961 (Tail-spot corydoras)
• Corydoras cervinus Rössel, 1962
• Corydoras cochui G. S. Myers & S. H. Weitzman, 1954(Barred-tail corydoras)
• Corydoras concolor S. H. Weitzman, 1961
• Corydoras condiscipulus Nijssen & Isbrücker, 1980
• Corydoras copei Nijssen & Isbrücker, 1986
• Corydoras coppenamensis Nijssen, 1970
• Corydoras coriatae W. E. Burgess, 1997
• Corydoras cortesi D. M. Castro, 1987
• Corydoras costai Ottoni, Barbosa & Katz, 2016
• Corydoras crimmeni S. Grant, 1997
• Corydoras cruziensis Knaack, 2002
• Corydoras crypticus Sands, 1995
• Corydoras davidsandsi B. K. Black, 1987 (Sands's corydoras)
• Corydoras delphax Nijssen & Isbrücker, 1983
• Corydoras difluviatilis M. R. Britto & R. M. C. Castro, 2002
• Corydoras diphyes Axenrot & S. O. Kullander, 2003
• Corydoras duplicareus Sands, 1995 (Duplicate corydoras)
• Corydoras ehrhardti Steindachner, 1910
• Corydoras elegans Steindachner, 1876 (Elegant corydoras)
• Corydoras ellisae Gosline, 1940
• Corydoras ephippifer Nijssen, 1972 (Saddle corydoras)
• Corydoras eques Steindachner, 1876 (Horseman's corydoras)
• Corydoras esperanzae D. M. Castro, 1987
• Corydoras evelynae Rössel, 1963
• Corydoras eversi Tencatt & M. R. Britto, 2016
• Corydoras filamentosus Nijssen & Isbrücker, 1983
• Corydoras flaveolus R. Ihering (pt), 1911
• Corydoras fowleri J. E. Böhlke, 1950
• Corydoras froehlichi Tencatt, M. R. Britto & Pavanelli, 2016
• Corydoras fulleri Tencatt, Evers, H-G & Britto 2021.
• Corydoras garbei R. Ihering, 1911
• Corydoras geoffroy Lacépède, 1803
• Corydoras geryi Nijssen & Isbrücker, 1983
• Corydoras gladysae Calviño & F. Alonso, 2010
• Corydoras gomezi D. M. Castro, 1986
• Corydoras gossei Nijssen, 1972 (Pale-spotted corydoras)
• Corydoras gracilis Nijssen & Isbrücker, 1976
• Corydoras griseus Holly, 1940 (Grey corydoras)
• Corydoras gryphus Tencatt, M. R. Britto & Pavanelli, 2014
• Corydoras guapore Knaack, 1961 (Guapore corydoras)
• Corydoras guianensis Nijssen, 1970
• Corydoras habrosus S. H. Weitzman, 1960
• Corydoras haraldschultzi Knaack, 1962 (Mosaic corydoras)
• Corydoras hastatus C. H. Eigenmann & R. S. Eigenmann, 1888 (Dwarf corydoras)
• Corydoras hephaestus Ohara, Tencatt & M. R. Britto, 2016
• Corydoras heteromorphus Nijssen, 1970
• Corydoras imitator Nijssen & Isbrücker, 1983
• Corydoras incolicana W. E. Burgess, 1993
• Corydoras isbrueckeri Knaack, 2004
• Corydoras julii Steindachner, 1906 (Julii corydoras)
• Corydoras kanei S. Grant, 1998
• Corydoras knaacki Tencatt & Evers, 2016
• Corydoras lacerdai Hieronimus, 1995
• Corydoras lacrimostigmata Tencatt, M. R. Britto & Pavanelli, 2014
• Corydoras lamberti Nijssen & Isbrücker, 1986
• Corydoras latus N. E. Pearson, 1924
• Corydoras leopardus G. S. Myers, 1933 (Leopard corydoras)
• Corydoras leucomelas C. H. Eigenmann & W. R. Allen, 1942
• Corydoras longipinnis Knaack, 2007
• Corydoras loretoensis Nijssen & Isbrücker, 1986
• Corydoras loxozonus Nijssen & Isbrücker, 1983
• Corydoras lymnades Tencatt, Vera-Alcaraz, M. R. Britto& Pavanelli, 2013
• Corydoras maculifer Nijssen & Isbrücker, 1971 (Dotted corydoras)
• Corydoras mamore Knaack, 2002
• Corydoras melanistius Regan, 1912 (Blue-spotted corydoras)
• Corydoras melanotaenia Regan, 1912
• Corydoras melini Lönnberg & Rendahl (de), 1930(Bandit corydoras)
• Corydoras metae C. H. Eigenmann, 1914 (Masked corydoras)
• Corydoras micracanthus Regan, 1912
• Corydoras microcephalus Regan, 1912
• Corydoras multimaculatus Steindachner, 1907
• Corydoras multiradiatus (Orcés-V. (es), 1960)
• Corydoras nanus Nijssen & Isbrücker, 1967 (Little corydoras)
• Corydoras napoensis Nijssen & Isbrücker, 1986
• Corydoras narcissus Nijssen & Isbrücker, 1980
• Corydoras nattereri Steindachner, 1876 (Blue corydoras)
• Corydoras negro Knaack, 2004
• Corydoras nijsseni Sands, 1989 (Nijssen's corydoras)
• Corydoras noelkempffi Knaack, 2004
• Corydoras oiapoquensis Nijssen, 1972
• Corydoras ornatus Nijssen & Isbrücker, 1976 (Ornate corydoras)
• Corydoras orphnopterus S. H. Weitzman & Nijssen, 1970
• Corydoras ortegai M. R. Britto, F. C. T. Lima & M. H. Hidalgo, 2007
• Corydoras osteocarus J. E. Böhlke, 1951
• Corydoras ourastigma Nijssen, 1972
• Corydoras oxyrhynchus Nijssen & Isbrücker, 1967
• Corydoras paleatus (L. Jenyns, 1842) (Peppered corydoras)
• Corydoras panda Nijssen & Isbrücker, 1971
• Corydoras pantanalensis Knaack, 2001
• Corydoras paragua Knaack, 2004
• Corydoras parallelus W. E. Burgess, 1993
• Corydoras pastazensis S. H. Weitzman, 1963(Pastaza corydoras)
• Corydoras paucerna Knaack, 2004
• Corydoras pavanelliae Tencatt & Ohara, 2016
• Corydoras petracinii Calviño & F. Alonso, 2010
• Corydoras pinheiroi Dinkelmeyer, 1995
• Corydoras polystictus Regan, 1912
• Corydoras potaroensis G. S. Myers, 1927
• Corydoras pulcher Isbrücker & Nijssen, 1973 (Pretty corydoras)
• Corydoras punctatus (Bloch, 1794) (Spot-fin corydoras)
• Corydoras pygmaeus Knaack, 1966 (Pygmy corydoras)
• Corydoras rabauti La Monte, 1941 (Rusty corydoras)
• Corydoras reticulatus Fraser-Brunner, 1938(Reticulated corydoras)
• Corydoras reynoldsi G. S. Myers & S. H. Weitzman, 1960
• Corydoras robineae W. E. Burgess, 1983 (Banner-tail corydoras)
• Corydoras robustus Nijssen & Isbrücker, 1980
• Corydoras sanchesi Nijssen & Isbrücker, 1967
• Corydoras saramaccensis Nijssen, 1970
• Corydoras sarareensis Dinkelmeyer, 1995
• Corydoras schwartzi Rössel, 1963 (Schwartz's catfish)
• Corydoras semiaquilus S. H. Weitzman, 1964
• Corydoras septentrionalis Gosline, 1940
• Corydoras serratus Sands, 1995
• Corydoras seussi Dinkelmeyer, 1996
• Corydoras similis Hieronimus, 1991
• Corydoras simulatus S. H. Weitzman & Nijssen, 1970
• Corydoras sipaliwini Hoedeman, 1965
• Corydoras sodalis Nijssen & Isbrücker, 1986
• Corydoras solox Nijssen & Isbrücker, 1983
• Corydoras spectabilis Knaack, 1999
• Corydoras spilurus Norman, 1926 (Pink-throat corydoras)
• Corydoras splendens (Castelnau, 1855) (Emerald corydoras)
• Corydoras steindachneri Isbrücker & Nijssen, 1973(Paraná corydoras)
• Corydoras stenocephalus C. H. Eigenmann & W. R. Allen, 1942
• Corydoras sterbai Knaack, 1962 (Sterba's corydoras)
• Corydoras surinamensis Nijssen, 1970
• Corydoras sychri S. H. Weitzman, 1960 (Sychr's catfish)
• Corydoras treitlii Steindachner, 1906 (Long-snout corydoras)
• Corydoras trilineatus Cope, 1872 (Three-stripe corydoras)
• Corydoras tukano M. R. Britto & F. C. T. Lima, 2003
• Corydoras undulatus Regan, 1912
• Corydoras urucu M. R. Britto, Wosiacki & Montag, 2009
• Corydoras virginiae W. E. Burgess, 1993 (Miguelito corydoras)
• Corydoras vittatus Nijssen, 1971
• Corydoras weitzmani Nijssen, 1971 (Two-saddle corydoras)
• Corydoras xinguensis Nijssen, 1972 (Xingu corydoras)
• Corydoras zawadzkii Tencatt & Ohara, 2016
• Corydoras zygatus C. H. Eigenmann & W. R. Allen, 1942 (Black-band catfish)

• †Corydoras revelatus Cockerell, 1936

Corydoras are generally found in a variety of freshwater environments, such as rivers, streams, and tributaries. They are native to slow-moving and almost still (but seldom stagnant) streams and small rivers of South America, where the water is shallow and very murky.

Corydoras have a short body with a dorsal fin and forked tail. They have whiskers (more specifically, barbels) like all catfish. The "whiskers" help them detect food.

Corydoras are popular and hardy aquarium fish. They are well-known for their vibrant colors and unique patterns. They are also famous for their peaceful behavior. The Corydoras is a wonderful fish to many home aquariums.

Corydoras in the wild feed on small aquatic invertebrates, like worms, crustaceans, and insect larvae.

Corydoras in an aquarium will eat live food like brine shrimp and others.

• Brook stickleback
• Three-spined stickleback

1. "Handle those catfish with care! - Practical Fishkeeping". 13 June 2016.