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South American freshwater puffer
(Colomesus asellus)
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Subphylum: Vertebrata
Class: Actinopterygii
Order: Tetraodontiformes
Family: Tetraodontidae
Genus: Colomesus
T. N. Gill, 1884

Colomesus is a genus of pufferfishes confined to tropical South America. Apart from differences in size, the two species are superficially similar, being green above, white below, and patterned with black transverse bands across the dorsal surface.[1] C. asellus is commonly found in the aquarium trade while C. psittacus due to its size and more specialized requirements is not found as often.[2]


There are currently two recognized species in this genus:[3]


  1. ^ Ebert, Klaus (2001). The Puffers of Fresh and Brackish Water. Aqualog. ISBN 3-931702-60-X. 
  2. ^ "Colomesus asellus". Retrieved February 16, 2007. 
  3. ^ Froese, Rainer, and Daniel Pauly, eds. (2012). Species of Colomesus in FishBase. October 2012 version.

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