Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina batypelagisk; djupintervall 960 - 1200 m (Ref. 26291). Deep-water; 34°N - 40°S
Eastern Atlantic: off the Gulf of Guinea and South Africa. Western Atlantic: Bermuda. Northwest Atlantic: Canada (Ref. 5951). Southwest Pacific: New Zealand (Ref. 5755).
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 24.2 cm SL hane/ej könsbestämd; (Ref. 26291)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Mjukstrålar i ryggfenan (totalt) : 14 - 15; Mjukstrålar i analfenan: 10 - 11; Ryggkotor: 58. Body slender. Elongated pectoral fin, 5 luminous (?) bodies in ventral midline and posterior base of ventral fin. Body transparent white, dark muzzle, five large ventral blotches and a midline dark chromatophores (Ref. 37473).
Life cycle and mating behavior
Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver
Quéro, J.-C., 1990. Opisthroproctidae. p. 241-243. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 1. (Ref. 6542)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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Estimates based on models
Preferred temperature (Ref.
123201): 4.4 - 5.6, mean 5 °C (based on 36 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00437 (0.00170 - 0.01121), b=3.10 (2.88 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.9 ±0.1 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (20 of 100).