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Siluriformes (Catfishes) >
Bagridae (Bagrid catfishes)
Etymology: Bagrus: Mozarabic, bagre, taken from Greek, pagros = a fish (Dentex sp.) (Ref. 45335).
More on author: Lönnberg.
Ambiente: milieu / zona climática / intervalo de profundidade / gama de distribuição
Ecologia
; Água doce demersal. Tropical; 4°S - 6°S
Africa: restricted to the single type specimen from the Lubosi River (Luala tributary, lower Congo River basin) (Ref. 78218). Presence in the Lulua (Ref. 46243) unconfirmed and doubtful (Ref. 3236, 78218).
Tamanho / Peso / Idade
Maturidade: Lm ? range ? - ? cm
Max length : 24.3 cm SL macho/indeterminado; (Ref. 3236)
Descrição breve
Chaves de identificação | Morfologia | Morfometria
Espinhos dorsais (total) : 1; Raios dorsais moles (total) : 8 - 9; Raios anais moles: 11. Head smooth above; snout broadly rounded; band of premaxillary teeth 6 times as long as broad, close to and nearly as broad as the crescentic band of vomerine teeth; maxillary barbel 2.25 times head length, reaching beyond pelvic fins; nasal barbel 0.4 times head length; inner mandibulary barbel 0.43 times head length; outer mandibulary barbel 0.86 times head length; occipital processus narrow and short, widely separated from the first interneural bone; longest branched ray of dorsal fin 0.71 times head length; dorsal spine very weak; adipose fin 4 times longer than high, much longer than the base of the dorsal fin; caudal fin deeply forked, both lobes with long filaments; pectoral spine weak with the outer half articulated (Ref. 52141).
Coloration: brown above with irregularly scattered small black dots which are most numerous on the caudal and adipose fin, but are also seen on the back and sides; no dots below lateral line; whitish below (Ref. 52141).
Ciclo de vida e comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Risch, L.M., 1986. Bagridae. p. 2-35. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ISNB, Brussels; MRAC, Tervuren; and ORSTOM, Paris. Vol. 2. (Ref. 3236)
Categoria na Lista Vermelha da IUCN (Ref. 130435: Version 2025-2 (Global))
Ameaça para o homem
Harmless
Utilização humana
Ferramentas
Relatórios especiais
Descarregue XML
Fontes da internet
Estimativas baseadas em modelos
Índice de diversidade filogenética (Ref.
82804): PD
50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00871 (0.00415 - 0.01826), b=2.93 (2.76 - 3.10), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 3.7 ±0.9 se; based on size and trophs of closest relatives
Resiliência (Ref.
120179): Elevada, tempo mínimo de duplicação da população menor que 15 meses (Assuming Fec>10,000).
Vulnerabilidade da pesca (Ref.
59153): Low vulnerability (20 of 100).
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