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Denticetopsis sauli Ferraris, 1996

Image contributors to this species:

Mark Sabaj Pérez (1)

ScotCat Sources:


Other Sources:

Fishbase  Google Search  All Catfish Species Inventory


Relevant Information:

Distinguished from all of its congeners with the exception of D. royeroi by the combination of the possession of elongate, symphyseal teeth on the dentary, a reduced lateral line not extending posteriorly on the body beyond the abdomen, an edentulous vomer, a dorsal fin with only 4 segmented rays and without a spinous first fin ray, an obliquely-truncate margin on the caudal fin, and the lack of horizontally-elongate, stellate, dark chromatophores when the chromatophores are expanded. Denticetopsis sauli is distinguished from D. royeroi by the posterior extent of the margin of the maxilla (extending at least one eye diameter past the posterior margin of the orbit versus extending only slightly beyond the posterior margin of the orbit, respectively), the body depth (17.1-19.5 of SL versus 23% of SL, respectively), and the extent of the membranous connection between the caudal and anal fins (membrane distinctly incised versus without a distinct notch, respectively).

Common Name:







South America: Around mouth of Pamoni River, Venezuela; known only from type series. Type locality: Venezuela, Estado Amazonas, Outflow stream from series of morichales, ca. 5.0 km from mouth of Río Pamoni, 2º48'N, 65º53'W.


2.5cm. (1ins)


22-28°c (71-83°f )




Vari, R.P., C.J. Ferraris, Jr. and M.C.C. de Pinna 2005 The neotropical whale catfishes (Siluriformes: Cetopsidae: Cetopsinae), a revisionary study. Neotrop. Ichthyol. 3(2):127-238.
Ferraris, C.J. Jr., 2007. Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types. Zootaxa 1418:1-628.



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