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Ophidiiformes (Cusk eels) >
Bythitidae (Livebearing brotulas)
Etymology: Bidenichthys: Latin, bi = two + Greek, dens, dentis = teeth + Greek, ichthys = fish (Ref. 45335).
Eponymy: C Leo Biden of Cape Town was described as a ‘knowledgeable angler’, and a person “…to whom the South African Museum is indebted for many specimens and much information.” He wrote: Sea-Angling Fishes of the Cape (1948). (Ref. 128868), visit book page.
More on author: Barnard.
Meio ambiente: milieu / Zona climática / intervalo de profundidade / faixa de distribuição
Ecologia
marinhas demersal. Subtropical
Southeast Atlantic: known only from South Africa.
Tamanho / Peso / Idade
Maturidade: Lm ?  range ? - ? cm
Max length : 9.0 cm TL macho/indeterminado; (Ref. 6610)
Espinhos dorsais (total) : 0; Raios dorsais (total) : 75; Espinhos anais: 0; Raios anais : 38. Yellowish in color.
Body shape (shape guide): elongated.
Uncommon species (Ref. 34024), inhabiting rocky tide pools (Ref. 6610).
Ciclo de vida ou comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Nielsen, J.G., D.M. Cohen, D.F. Markle and C.R. Robins, 1999. Ophidiiform fishes of the world (Order Ophidiiformes). An annotated and illustrated catalogue of pearlfishes, cusk-eels, brotulas and other ophidiiform fishes known to date. FAO Fish. Synop. 125(18):178p. Rome: FAO. (Ref. 34024)
Status na Lista Vermelha da UICN (Ref. 130435: Version 2025-2 (Global))
Ameaça para os humanos
Harmless
Uso pelos humanos
Pescarias: sem interesse
Ferramentas
Relatórios especiais
Baixar XML
Fontes da internet
Estimativas baseadas em modelos
Índice de diversidade filogenética (Ref. 82804) |
PD50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00468 (0.00186 - 0.01174), b=3.03 (2.81 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Nível Trófico (Ref. 69278) |
3.3 ±0.52 se; based on food items. |
Resiliência (Ref. 120179) |
Baixo, tempo mínimo de duplicação da população 4,5 - 14 anos (Assuming Fec < 100). |
Vulnerabilidade da pesca (Ref. 59153) |
Low vulnerability (14 of 100). 🛈 |