Common names from other countries
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Ophidiiformes (Cusk eels) >
Bythitidae (Livebearing brotulas)
Etymology: Grammonus: Greek, gramma = signal, mark + Greek, onos = hake.
More on authors: Smith & Radcliffe.
Environment: milieu / climate zone / depth range / distribution range
Écologie
marin bathydémersal; profondeur 45 - 345 m (Ref. 34024). Deep-water
Indo-West Pacific: Red Sea, Japan, East China Sea, and the Philippines.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 21.0 cm SL mâle / non sexé; (Ref. 559)
Épines dorsales (Total) : 0; Rayons mous dorsaux (Total) : 75 - 87; Épines anales: 0; Rayons mous anaux: 50 - 62. Body color reddish-brown. Head large and broad. Scales present on head. Opercular spine small, but with a sharp pointed tip. Attains 21 cm SL.
Uncommon species found on soft bottom (Ref. 34024). Ref. 9942 gives maximum depth to be 1,260 m.
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | 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)
CITES (Ref. 128078)
Not Evaluated
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
Preferred temperature (Ref.
115969): 12.9 - 26.5, mean 19.5 (based on 337 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00457 (0.00179 - 0.01169), 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 (Ref.
69278): 3.6 ±0.5 se; based on size and trophs of closest relatives
Résilience (Ref.
120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (16 of 100).