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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 / نطاق العمق / distribution range
البيئة
بحري قاعية التغذية و المعيشة; محيطية (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 / الحجم / وزن / العمر
النضج: Lm ?, range 10 - ? cm
Max length : 14.6 cm SL ذكر/ مختلط الجنس; (Ref. 5182)
الأشواك الظهرية (المجموع) : 0; الأشعة الظهرية الناعمة (المجموع) : 18 - 20; شوكة شرجية: 0; أشعه شرجية لينه: 16 - 19.
Body shape (shape guide): elongated.
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
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
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 2025-1)
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (مرجع
123201): 1.9 - 9.5, mean 4.6 °C (based on 783 cells).
Phylogenetic diversity index (مرجع
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).
مستوى غذائي (مرجع
69278): 3.2 ±0.5 se; based on size and trophs of closest relatives
المرونه (مرجع
120179): وسيط, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 1.4-4.4 سنة (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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