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Systematics of the south american freshwater fish genus adontosternarchus gymnotiformes apteronotidae

Contributions in Science (Los Angeles) (358): 1-19

Systematics of the south american freshwater fish genus adontosternarchus gymnotiformes apteronotidae

The apteronotid fish genus Adontosternarchus Ellis, 1912, is revised, and characters are presented as evidence for the monophyly of the genus and of the interrelationships of its member species. Four species are recognized of which 2 are described as new: A. sachsi (Peters, 1877), A. balaenops (Cope, 1878), A. devenanzii sp. nov. and A. clarkae sp. nov. The known distribution of each species is plotted and a key to species is provided. Recent collections in channels of the lower Orinoco River [Venezuela] show A. sachsi and A. devenanzii to be extremely abundant.

Accession: 006574755

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