>
Ophidiiformes (Cusk eels) >
Bythitidae (Livebearing brotulas)
Etymology: Grammonus: Greek, gramma = signal, mark + Greek, onos = hake.
Eponymy: Dr Alan Reece Longhurst (d: 1925) is a British-born Canadian oceanographer, zoologist and marine biologist. [...] (Ref. 128868), visit book page.
More on author: Cohen.
Lingkungan: lingkungan / zona iklim / kisaran kedalaman / jangkauan distribusi
Ekologi
laut berasosiasi dengan karang; kisaran kedalaman 5 - 11 m (Ref. 34024). Tropical
Eastern Atlantic: northern coast of the Gulf of Guinea.
Ukuran / Berat / umur
Kematangan: Lm ?  range ? - ? cm
Max length : 10.6 cm SL jantan/; (Ref. 6526)
Rare species, found on soft bottom (Ref. 34024). Viviparous (Ref. 6526).
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
Suhu yang disukai (Acuan
123201): 26.1 - 28, mean 27.6 °C (based on 121 cells).
Indeks keanekaragaman filogenetik (Acuan
82804): PD
50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00479 (0.00192 - 0.01191), 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): Tinggi, Waktu penggandaan populasi minimum kurang dari 15 bulan (Preliminary K or Fecundity.).
Kerentanan Penangkapan Ikan (Ref.
59153): Low vulnerability (10 of 100).
🛈