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Perciformes/Notothenioidei (Icefishes) >
Nototheniidae (Cod icefishes) > Nototheniinae
Etymology: Lepidonotothen: Greek, lepis = scale + Greek, noton = back + Greek, adverbial particle, then, that denotes distance or remova (Ref. 45335).
More on author: Günther.
Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري قاعية التغذية و المعيشة; نطاق العمق 10 - 900 m (Ref. 11892), usually 195 - 312 m (Ref. 11892). Temperate; 45°S - 79°S, 180°W - 180°E (Ref. 5179)
Southern Ocean: South Georgia Island and Bouvet Island. Also known from sub-Antarctic islands and Antarctic Indian and Pacific Oceans.
Length at first maturity / الحجم / وزن / العمر
Maturity: Lm 27.3, range 19 - 36 cm
Max length : 55.0 cm TL ذكر/ مختلط الجنس; (Ref. 5179); common length : 35.0 cm TL ذكر/ مختلط الجنس; (Ref. 2121); العمر: 19 سنين (Ref. 5789)
الأشواك الظهرية (المجموع) : 4 - 5; الأشعة الظهرية الناعمة (المجموع) : 36 - 37; أشعه شرجية لينه: 29 - 33. Body with 8 or 9 long dusky crossbars, cheek with two oblique dark stripes. First dorsal fin blackish (Ref. 11892).
Feeds chiefly on macrozooplankton (mainly crustaceans, cnidarians and salps) and midwater fishes.
Dewitt, H.H., P.C. Heemstra and O. Gon, 1990. Nototheniidae. p. 279-331. In O. Gon and P.C. Heemstra (eds.) Fishes of the Southern Ocean. J.L.B. Smith Institute of Ichthyology, Grahamstown, South Africa. (Ref. 5179)
IUCN Red List Status (Ref. 130435: Version 2024-2)
CITES (Ref. 131153)
Not Evaluated
استخدامات بشرية
مصائد: غير مهمة تجارياً
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (Ref.
115969): 1.3 - 2.8, mean 1.7 (based on 21 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00468 (0.00395 - 0.00554), b=3.24 (3.19 - 3.29), in cm Total Length, based on LWR estimates for this species (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.5 ±0.52 se; based on food items.
المرونه (Ref.
120179): منخفض, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 4.5-14 سنة (K=0.08-0.12; tm=7-9; tmax=19; Fec = >10,000).
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (67 of 100).
Climate Vulnerability (Ref.
125649): High vulnerability (55 of 100).