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Myctophiformes (Lanternfishes) >
Myctophidae (Lanternfishes) > Gymnoscopelinae
Etymology: Gymnoscopelus: Greek, gymnos = naked + Greek, skopelos, a lantern fish (Ref. 45335).
Eponymy: John Treadwell Nichols (1883–1958) was an American ichthyologist, mammalogist and ornithologist. [...] (Ref. 128868), visit book page.
More on author: Gilbert.
Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري مياه عميقة; محيطية (Ref. 51243); نطاق العمق 300 - ? m (Ref. 4066). Deep-water; 35°S - 78°S
Generally ranges between Antarctica and 35°S (off Argentina), 47°S (Falkland Current region), and 47°-49°S (between 45°E and 71°E). Adults occur only in high latitudes (South Orkneys, South Shetlands, Antarctic Peninsula); juveniles and adults in waters around South Georgia and central Scotia Sea.
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 19.1 cm TL ذكر/ مختلط الجنس; (Ref. 124149); أعلا وزن تم نشرة: 47.10 g (Ref. 124149)
الأشواك الظهرية (المجموع) : 0; الأشعة الظهرية الناعمة (المجموع) : 17 - 19; شوكة شرجية: 0; أشعه شرجية لينه: 19 - 21.
South of the Antarctic Polar Front, adults occur in upper 250 m of open ocean and over continental shelves and oceanic banks (spring-summer) during the day, migrating to 50- 100 m at night. Also mesopelagic (Ref. 4066). Feeds on euphausiids and euphausiid larvae, hyperiids, mysids, copepods, and amphipods.
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 2024-1)
استخدامات بشرية
مصائد: غير مهمة تجارياً
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (Ref.
123201): 0 - 2.5, mean 0.9 °C (based on 696 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00490 (0.00268 - 0.00897), b=3.11 (2.94 - 3.28), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.4 ±0.3 se; based on diet studies.
المرونه (Ref.
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).
Nutrients (Ref.
124155): Calcium = 65.7 [17.5, 183.0] mg/100g; Iron = 0.447 [0.164, 1.452] mg/100g; Protein = 16.3 [14.6, 18.1] %; Omega3 = 0.306 [0.102, 0.899] g/100g; Selenium = 15.7 [4.6, 49.4] μg/100g; VitaminA = 79.4 [9.7, 660.3] μg/100g; Zinc = 0.718 [0.362, 1.544] mg/100g (wet weight); based on
nutrient studies.
![Image of Gymnoscopelus nicholsi (Nichol\](/images/thumbnails/jpg/tn_Gynic_u0.jpg "Image of Gymnoscopelus nicholsi (Nichol\")
