ISSN 0097-3157
PROCEEDINGS OF THE ACADEMY OF NATURAL SCIENCES OF PHILADELPHIA 157: 13-23JULY 2008


Atopodontus adriaensi, a new genus and species of African suckermouth catfish from the Ogooué and Nyanga River systems of Gabon (Siluriformes: Mochokidae)

Authors

JOHN P. FRIEL THOMAS R. VIGLIOTTA

Cornell University Museum of Vertebrates, 159 Sapsucker Woods Road, Ithaca, NY 14850-1923, USA, Email: jpf19@cornell.edu, trv2@cornell.edu



Fig. 2. Dorsal, lateral and ventral views of Atopodontus adriaensi holotype, CU 92188, male, 59.4 mm SL; Gabon, Woleu-Ntem Province, Okano River at bridge crossing for FOREX logging camp. Scale bar equals 1cm. Photographs by T. R. Vigliotta.

ABSTRACT

Atopodontus adriaensi, a new genus and species of suckermouthed mochokid catfish, is described from the Ogo- oué and Nyanga basins of Gabon. It superficially resembles Atopochilus savorgnani, and is known to co-occur with this species at several localities. This new taxon can be distinguished from all other chiloglanidin species by a combination of features including robust mandibular teeth arranged in transverse rows that are approximately 66% of the width of the paired premaxillary tooth patches, and the presence of an anteriorly directed cavity located dorsal to the lower lip and ventral to the oral cavity.

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