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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.
Environment: milieu / climate zone / profondeur / distribution range
Écologie
marin démersal. Subtropical
Southeast Atlantic: known only from South Africa.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 9.0 cm TL mâle / non sexé; (Ref. 6610)
Épines dorsales (Total) : 0; Rayons mous dorsaux (Total) : 75; Épines anales: 0; Rayons mous anaux: 38. Yellowish in color.
Body shape (shape guide): elongated.
Uncommon species (Ref. 34024), inhabiting rocky tide pools (Ref. 6610).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-1)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: sans intérêt
Outils
Articles particuliers
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Sources Internet
Estimates based on models
Phylogenetic diversity index (Réf.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00447 (0.00172 - 0.01163), b=3.10 (2.87 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Réf.
69278): 3.3 ±0.52 se; based on food items.
Résilience (Réf.
120179): Faible, temps minimum de doublement de population : 4,5 à 14 années (Assuming Fec < 100).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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