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aqua International Journal 1(4)

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COMPLETE ISSUE

Volume 1, Issue 4 – July 1995

J. Géry: Description of new or poorly known Alestinae (Teleostei: Characiformes: Alestidae) from Africa, with a note on the generic concept in the Alestinae, pp. 37-63.

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Description

COMPLETE ISSUE

Volume 1, Issue 4 – July 1995

J. Géry: Description of new or poorly known Alestinae (Teleostei: Characiformes: Alestidae) from Africa, with a note on the generic concept in the Alestinae, pp. 37-63.

Abstract
Description of new or poorly known Alestinae (Teleostei: characiformes: Alestidae) from Equatorial Africa, with a note on the generic concept in the Alestinae. The study is in two parts. In the first part, the difficulties encountered in the generic attributions of certain species are pointed out, and the generic concept in Alestinae is discussed. A key to the so-called dwarf African Tetras (tribe Petersiini) is given. Their number is reduced, compared to that proposed by Poll (1967), but the monophyly of several of these genera cannot, at the moment, be demonstrated. In the second part, 3 new species are described: Brycinus fwaensis n. sp., from Lake Gwa, Micralestes ambiguous n. sp. and Phenacogrammus bleheri n. sp., from northern Zaïre (Oubangui basin, Equateur Province); what is probably a new form is described but not named: Brycinus sp. Agg. Chaperi (Sauvage, 1882); 5 poorly-known species are discussed and, in some instances, redescribed: Brycinus abeli (Fowler, 1936), Phenacogrammus ansorgii (Boulenger, 1910), Pheacogrammus gabonensis (Poll, 1967) and Phenacogrammus aurantiacus (Pellegrin, 1930). Phenacogrammus ansorgii is newly recorded from the interior part of Equatorial Africa as is Brycinus abeli from northern Zaïre. In the appendix, and index of the scientific names cited in the seminal revision of the Petersiini by Poll (1967) is given, in the hope that it will permit easier access to the references of the present study and others.

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