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Corydoras arcuatus  Elwin, 1939

Image contributors to this species:

Ian Fuller (2) Frants Lehmann (1 stamp) Danny Blundell (2) Vedran Cuncic (1) Ian M. Clift (1) Graham Ramsay (5) Joost Schuitemaker (1) Alan Pinkerton (1) Hans-Georg Evers (2) Nick Ridout (1)

ScotCat Sources:

Factsheet Article Etymology = Genus Etymology = species

Other Sources:

Fishbase  Google Search   All Catfish Species Inventory  Wikipedia

Relevant Information:

There are two other similar looking species that grow very much larger than C. arcuatus which come from the Rio Purus drainage in Brazil. These being called "Super arcuatus" which has been given the Corydoras World number of CW036 and "Super arcuatus longnose". Aquarium Care: This is akin to most of this genus, very peaceful, and would be best housed with small to medium sized tankmates such as Tetras, Rasboras and Danios or in a species tank for breeding purposes. Best to purchase 6 individuals or more as they will be happier in a group. Diet: Readily accepts a mixed and varied diet which includes granular foods, tablet food, frozen bloodworm and good quality flake to name but a few. Remarks: It is now thought (Grant, S. 2014) that CW036 is the true Corydoras arcuatus instead of C020 and when officially ratified this species here will be given the code number of C020 and the name C. arcuatus will be transfered to CW036 and then this number will be retired.

Common Name:

Skunk Cory, C020






South America: Peru; Loreto, Río Yavari, Lago Matamata. Type locality: Amazon River (aquarium specimen).


5.5cm ( 2¼ins)


22-26°C (71-79°F)




Fuller, Ian A.M. & Evers, Hans-Georg: Identifying Corydoradinae Catfish. 2005. 384 p
Grant S., 2014, Catfish Study Group Journal V15 - I4



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                                                                                                 updated = October 5, 2017 © ScotCat 1997-2017