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Beryciformes (Sawbellies) >
Melamphaidae (Bigscale fishes or ridgeheads)
Etymology: Poromitra: Greek, poros = porous + Greek, mitra = stripe, belt (Ref. 45335).
More on author: Lütken.
Environment: milieu / climate zone / depth range / distribution range
Écologie
marin bathypélagique; profondeur 150 - 1000 m (Ref. 36655). Deep-water
Atlantic Ocean.
Length at first maturity / Taille / Poids / Âge
Maturity: Lm 5.3, range 5 - 6.2 cm
Max length : 6.4 cm SL mâle / non sexé; (Ref. 5951)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 2 - 3; Rayons mous dorsaux (Total) : 10 - 12; Épines anales: 1; Rayons mous anaux: 9 - 10; Vertèbres: 27 - 30. Branchiostegal rays: 8 (Ref. 36655). Large eye, measures more than 20% of head length. Body slender and angular. Scales on body and operculum mostly missing. Pelvic fin long, extends almost to anal fin origin. Gal bladder well developed (Ref. 37108).
Mesopelagic species, adults trawled at depths below 400 m, juveniles below 150 meters. There is significant morphological variation between Indo-Pacific and other populations. Oviparous, with planktonic eggs and larvae (Ref. 36655).
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
Télécharger en XML
Sources Internet
Estimates based on models
Preferred temperature (Ref.
123201): 2.3 - 11.5, mean 7 °C (based on 293 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): 3.3 ±0.3 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 (10 of 100).
