All FishesAuchenipteridaeAuchenipterinaeAgeneiosus

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Scientific Name Ageneiosus marmoratus  Eigenmann, 1912
Common Name Jaguar Dolphin Catfish
Type Locality Creek below Potaro Landing, Guyana.
Pronunciation ah genie OH sus - MAR mo rat us
Etymology Ageneiosus, from the Greek a, meaning without and genias, meaning beard in reference to the apparent lack of barbels. In fact, catfish of this genus have very short maxillary barbels that are almost indistinguishable to the human eye. 
Hop to next section Species Information
Size 300mm or 11.8" SL. Find near, nearer or same sized spp.
Identification A. marmoratus exhibits the lipstick-like margin around the mouth, a marmorated colouration on the sides (juveniles have much greater contrast of pattern) and the gray margin in the adipose is broader than in A. inermis which also has a slight margin. Also in contrast to A. inermis, A. marmoratus has a more rounded shape of the tips of the caudal fin.
Sexing Unknown
Hop to next section Habitat Information
Distribution Guyana and Venezuela
Guyana Waters, Coastal Rivers of Guyanas (click on these areas to find other species found there)
Orinoco (click on these areas to find other species found there)

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IUCN Red List Category Not Evaluated
pH 6.0 - 7.0
Temperature 23.0-26.0°C or 73.4-78.8°F (Show species within this range)
Hop to next section Husbandry Information
Breeding Unreported.
Breeding Reports There is no breeding report.
Hop to next section Further Information
Reference Mem. Carnegie Mus.v. 5 (no. 1) - pp206 - Pl. 22 (fig. 1)
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Last Update 2013 Apr 20 09:36 (species record created: 2005 Jul 19 00:00)