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Myctophiformes (Lanternfishes) >
Myctophidae (Lanternfishes) > Gymnoscopelinae
Etymology: Gymnoscopelus: Greek, gymnos = naked + Greek, skopelos, a lantern fish (Ref. 45335).
More on author: Lönnberg.
Environment: milieu / climate zone / depth range / distribution range
Écologie
marin bathypélagique; océanodrome (Ref. 51243); profondeur ? - 2700 m (Ref. 58018). Deep-water; 33°S - 78°S
Generally ranges between the coasts of Antarctic and 33°S (south-western Atlantic Ocean sector), 46°S (Indian Ocean sector between 50°-71°E), and about 46°S (Pacific Ocean sector off Chile).
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 22.0 cm SL mâle / non sexé; (Ref. 128038)
Épines dorsales (Total): 0; Rayons mous dorsaux (Total): 14-17; Épines anales 0; Rayons mous anaux: 16 - 20
Oceanic and mesopelagic, found in the upper 200 m at night but deeper in the region of Subtropical Convergence (Ref. 4066). Feeds mainly on Euphausia superba; also takes copepods (Euchaeta antarctica, Rhincalanus gigas), amphipods (Primno macropa, Themisto gaudichaudii) and the euphausiid Thysanoessa macrura.
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Hulley, P.A., 1990. Myctophidae. p. 146-178. In O. Gon and P.C. Heemstra (eds.) Fishes of the Southern Ocean. J.L.B. Smith Institute of Ichthyology, Grahamstown, South Africa. (Ref. 5182)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: intérêt commercial mineur
Plus d'informations
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Estimates based on models
Preferred temperature (Ref.
123201): -1.5 - 2.3, mean 0.8 °C (based on 693 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00437 (0.00199 - 0.00957), b=3.16 (2.96 - 3.36), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.2 ±0.3 se; based on diet studies.
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 (17 of 100).
Nutrients (Ref.
124155): Calcium = 85.4 [23.8, 229.7] mg/100g; Iron = 0.533 [0.197, 1.652] mg/100g; Protein = 16.3 [14.6, 18.1] %; Omega3 = 0.337 [0.112, 0.973] g/100g; Selenium = 17.7 [5.5, 55.4] μg/100g; VitaminA = 64.9 [7.7, 524.8] μg/100g; Zinc = 0.735 [0.378, 1.570] mg/100g (wet weight); based on
nutrient studies.