Environment: milieu / climate zone / depth range / distribution range
Ecologia
; Água doce demersal. Tropical
Africa: Cunene River below Ruacana Falls in Namibia (Ref. 91771) and Angola (Ref. 120641).
Tamanho / Peso / Idade
Maturity: Lm ? range ? - ? cm
Max length : 10.9 cm SL macho/indeterminado; (Ref. 91771)
Descrição suscinta
Morfologia | Morfometria
Espinhos dorsais (total): 0; Raios dorsais (total): 20-24; Espinhos anais 0; Raios anais : 26 - 31. Diagnosis: Body depth 28.3-34.0% of standard length; head length 25.0-27.7% of standard length; preanal length 59.0-62.8% of standard length; anal fin length 21.5-25.6% of standard length; diameter defined by orbital rims 25.9-32.9% of head length; length of snout to posterior orbital rim of eye 47.0-51.4% of head length; length of snout to centre of eye 35.2-39.1% of head length; number of dorsal fin rays 20-24; number of scales in lateral line row 38-42 (Ref. 91771).
Found in rather strong currents; dicotyledonous trees, extensive reed beds and semiaquatic bushes dominate the river banks, which are rocky or sandy depending on the inside or outside bank (Ref. 91771).
Ciclo de vida ou comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Kramer, B., R. Bills, P. Skelton and M. Wink, 2012. A critical revision of the churchill snoutfish, genus Petrocephalus Marcusen, 1854 (Actinopterygii: Teleostei: Mormyridae), from southern and eastern Africa, with the recognition of Petrocephalus tanensis, and the description of five new species. Journal of Natural History 46(35-36):2179-2258. (Ref. 91771)
Status na Lista Vermelha da UICN (Ref. 130435)
Ameaça para os humanos
Harmless
Uso pelos humanos
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