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Beryciformes (Sawbellies) >
Melamphaidae (Bigscale fishes or ridgeheads)
Etymology: Melamphaes: Greek, melan, -anos = black + Greek, amphi = both side (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Écologie
marin bathypélagique; profondeur 75 - 1275 m (Ref. 58302), usually 125 - 150 m (Ref. 51657). Deep-water; 30°N - 30°S, 48°E - 112°W (Ref. 117122)
Indo-Pacific:
Taille / Poids / Âge
Maturity: Lm ? range ? - ? cm
Max length : 2.3 cm SL mâle / non sexé; (Ref. 117122)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 3; Rayons mous dorsaux (Total) : 14 - 16; Épines anales: 1; Rayons mous anaux: 8 - 9; Vertèbres: 26 - 27. This species is distinguished by the following characters: gill rakers on first gill arch 15-18; width of suborbital bone is substantially larger than eye diameter; vertebrae 26-27, including 11 (rarely 12) abdominal vertebrae; spurs on haemal arch of first caudal vertebra; D III,14-16; A I,8-9, soft rays in pelvic fin 7; pelvic fin origin under vertical (or behind of the vertical) through posterior edge of pectoral fin base; anal fin origin under second to fifth rays of dorsal fin (from end of fin); no black dotted pigmented spots on head, body, and fins (Ref. 117122).
Trawled at depths greater than 125 meters (Ref. 4241).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves
Ebeling, A.W., 1986. Melamphaidae. p. 427-432. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 4241)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
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.
123201): 15.2 - 23.7, mean 20.9 °C (based on 46 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01096 (0.00451 - 0.02668), b=3.10 (2.89 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.2 ±0.38 se; based on food items.
Résilience (Ref.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
