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Cybium,
Revue
Internationale dIchtyologie |
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Taxonomic evaluation and redescription of Anaspidoglanis akiri (risch, 1987) (siluriformes: claroteidae) Tom GEERINCKX (1), Dominique ADRIAENS (1), Guy G. TEUGELS (2) & Walter VERRAES (1) (1) Ghent
University, Vertebrate Morphology, K.L. Ledeganckstraat 35, B-9000 Ghent,
BELGIUM. Abstract.
- Since 1991, the African catfish Auchenoglanis akiri Risch,
1987 has been included in the genus Parauchenoglanis. An extensive
re-analysis of the genera Parauchenoglanis and Anaspidoglanis,
however, provides evidence for a closer affinity of A. akiri with
the species of the genus Anaspidoglanis, which have a more depressed
body and a different head morphology. Both biometric (using 294 specimens)
and morphological (external and osteological) evidence supports this generic
shift. Consequently, Auchenoglanis akiri has been transferred to
the genus Anaspidoglanis, and given a redescription. The most important
characters that allow to identify the species are: a thin skin covering
the eyes, a premaxillary toothplate measuring 22 to 27% of the head length,
a moderately broad snout, and completely fused branchiostegal membranes. |
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