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*.

## Species 
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)

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### Extinct species 
* †*Corydoras revelatus* Cockerell, 1936

## Habitat 
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.

## Description 
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.

## Aquarium use 
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.

## What it eats 
### In the wild 
*Corydoras* in the wild feed on small aquatic invertebrates, like worms, crustaceans, and insect larvae.
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### Aquarium 
*Corydoras* in an aquarium will eat live food like brine shrimp and others.

## Related pages 
* Brook stickleback
* Three-spined stickleback

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