Florida Museum of Natural History

Helogenes uruyensis

Helogenes uruyensis

Photo by Brit Griswold
Reproduced from Vari and Ortega (1986).


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Helogenes uruyensis Fernández-Yépez, 1967

Identification: Helogenes uruyensis, the most distinctive species in the subfamily, can be distinguished from all congeners in having 32-37 anal-fin rays (vs 39-49). The possession of 15 principal caudal-fin rays, with eight principal rays in the lower lobe, further distinguished the species from H. gouldingi and H. castaneus, which have nine principal rays on the lower lobe of the fin and a total of 16 principal rays. Helogenes uruyensis al also separable from H. castaneus and H. gouldingi by a series of morphometric characters.

Range: Helogenes uruyensis is known from the Uruyén River basin, Venezuela.

Information from Vari, R. P. & H. Ortega. 1986. The catfishes of the Neotropical family Helogenidae (Ostariophysi: Siluroidei). Smithsonian Contributions to Zoology, 442: 1-20.


distribution map

Distribution Map




This site is part of the All Catfish Species Inventory Project

Authored by Carl J. Ferraris, Jr. and Richard P. Vari
Webpage and map compiled by Griffin E. Sheehy
Contact: Carl J. Ferraris, Jr
Updated: July 18, 2007
Carl J. Ferraris, Jr
2944 NE Couch St.
Portland, OR 97232
Richard P. Vari
Smithsonian Institution
Washington, D.C. 20560