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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
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | 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: Version 2024-1)
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 (0.00200 - 0.00953), 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).