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Cybium,
Revue
Internationale dIchtyologie |
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Morphological and electro-physiological evidence for the synonymy of two Marcusenius species (Osteoglossomorpha, Mormyridae) from West Central Africa Guy G. TEUGELS (1, 2), Gert BODEN (1) & Carl D. HOPKINS (3) (1) Africa Museum, Ichthyology Department, B-3080 Tervuren, BELGIUM. (2) KULeuven, Laboratory of Comparative Anatomy and Biodiversity, B-3000 Leuven, BELGIUM. (3) Department of Neurobiology and Behavior, Cornell University, Ithaca New York 14853 USA. Abstract.
- This is a detailed biometric study of 88 Marcusenius specimens
(Mormyridae) originating from the Ntem River Basin in southern Cameroon
and the Ivindo River in Gabon (West Central Africa) including the type
material of M. ntemensis and M. conicephalus.
It demonstrates that both nominal species are synonymous. A study of the
electric organ and the electric organ discharge of specimens originating
from both systems confirmed this. Due to nomenclatorial priority M. ntemensis
is considered as the senior synonym. Key-words. - Mormyridae - Marcusenius ntemensis - M. conicephalus - Biometry - Electro-physiology - Synonymy - Cameroon - Gabon - Africa. |
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