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Myctophiformes (Lanternfishes) >
Myctophidae (Lanternfishes) > Gymnoscopelinae
Etymology: Gymnoscopelus: Greek, gymnos = naked + Greek, skopelos, a lantern fish (Ref. 45335).
More on author: Whitley.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina bentopelagisk; havsvandrande (Ref. 51243). Temperate; 19°S - 62°S, 70°W - 180°E
Generally ranges between the Subtropical Convergence and the Antarctic Polar Front (Atlantic Sector to south of Australia/New Zealand), but with northern extensions in eastern boundary currents; absent in the sub-Antarctic region of the Pacific. There is a beach-washed specimen from Port Alfred, South Africa (Ref. 4066). Also found in Argentina (Ref. 86326) and Uruguay (Ref. 54736).
Length at first maturity / Size / Vikt / Age
Maturity: Lm ?, range 10 - ? cm
Max length : 14.6 cm SL hane/ej könsbestämd; (Ref. 5182)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 18 - 20; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 16 - 19.
Oceanic (Ref. 4066). Also mesopelagic. Occurs at depths below 100 m at night. Recorded from the stomach contents of Dissostichus eleginoides.
Life cycle and mating behavior
Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver
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)
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): 1.9 - 9.5, mean 4.6 °C (based on 783 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).
Trofisk nivå (Ref.
69278): 3.2 ±0.5 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 (10 of 100).