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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.
Lingkungan: lingkungan / zona iklim / kisaran kedalaman / jangkauan distribusi
Ekologi
laut dasar (demersal); kisaran kedalaman 30 - 178 m (Ref. 34024). Temperate
Southwest Pacific: off northern New Zealand.
Ukuran / Berat / umur
Kematangan: Lm ?  range ? - ? cm
Max length : 16.0 cm TL jantan/; (Ref. 9003)
Duri punggung (Keseluruhan (total)) : 0; duri punggung lunak (Keseluruhan (total)) : 75; Duri dubur: 0; Sirip dubur lunak: 45. Small specimens greyish brown to blackish with a pale yellowish tinge; larger specimens orange or yellow with mottled brown markings.
Body shape (shape guide): elongated.
A rare species found in rocky areas (Ref. 34024). Reported to occur in rock pools (Ref. 9003). Possibly nocturnal (Ref. 9003).
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 IUCN Red List (Ref. 130435: Version 2025-2 (Global))
ancaman kepada manusia
Harmless
penggunaan manusia
Perikanan: tidak ada kepentingan
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimasi berdasarkan model
Indeks keanekaragaman filogenetik (Acuan 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). |
Tingkat Trofik (Acuan 69278) |
3.4 ±0.5 se; based on size and trophs of closest relatives |
Daya lenting (Acuan 120179) |
Rendah, Waktu penggandaan populasi minimum 4.5 - 14 tahun (Assuming Fec < 100). |
Kerentanan Penangkapan Ikan (Ref. 59153) |
Low vulnerability (24 of 100). 🛈 |