Roeboexodon guyanensis (Puyo, 1948)
Roeboexodon guyanensis
photo by Andrade, M.C.

Family:  Characidae (Characins; tetras), subfamily: Exodontinae
Max. size:  12 cm SL (male/unsexed)
Environment:  pelagic; freshwater; pH range: 6 - 6.80000019073486; dH range: 8 - 15
Distribution:  South America: Amazonas basin, Tocantins basin, and rivers of Guianas.
Biology:  Relatively rare. Encountered in creeks with rapidly flowing water over a sandy substrate. The particular form of its dentition allows it to feed on the scales of the other fish (Ref. 12225). See color photo in Ref. 12225.
IUCN Red List Status: Not Evaluated (N.E.) Ref. (124695)
Threat to humans:  harmless
Country info:   

Entered by: Sa-a, Pascualita - 14.12.97
Modified by: Bailly, Nicolas - 12.10.08
Checked by: Lucena, Carlos A.S. - 29.06.00

Source and more info: For personal, classroom, and other internal use only. Not for publication.

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