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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); squamifrons: squamifrons from Latin squama scale, plus frons, frontis forehead for its full upper head cover of small scales (Ref. 11892).
More on author: Günther.
Environment: milieu / climate zone / depth range / distribution range
экология
морской донно-пелагический; пределы глубины 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 / Size / Вес / Возраст
Maturity: Lm 27.3, range 19 - 36 cm
Max length : 55.0 cm TL самец/пол неопределен; (Ref. 5179); common length : 35.0 cm TL самец/пол неопределен; (Ref. 2121); наибольший возраст (опубликованны данные): 19 годы (Ref. 5789)
колючие лучи спинного плавника (общее число): 4 - 5; членистые (мягкие) лучи спинного плавника (общее число): 36-37; членистые (мягкие) лучи анального плавника: 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)
Статус Красного Списка МСОП (Ref. 130435)
Угроза для людей
Harmless
Использование человеком
рыболовство: не имеет хозяйственного значения
дополнительная информация
инструменты
Специальные отчеты
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Estimates based on models
Preferred temperature (Ref.
123201): 1.3 - 2.8, mean 1.7 °C (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 (0.00393 - 0.00556), b=3.24 (3.19 - 3.29), in cm total length, based on LWR estimates for this species (Ref.
93245).
Trophic level (Ref.
69278): 3.5 ±0.52 se; based on food items.
устойчивость к внешним воздействиям (Ref.
120179): низкий, минимальное время удвоения популяции 4.5-14 лет (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).
Nutrients (Ref.
124155): Calcium = 18.9 [11.9, 33.9] mg/100g; Iron = 0.274 [0.173, 0.456] mg/100g; Protein = 15.9 [13.4, 18.6] %; Omega3 = 0.661 [0.365, 1.167] g/100g; Selenium = 22.1 [11.0, 43.5] μg/100g; VitaminA = 32.9 [10.7, 107.3] μg/100g; Zinc = 0.549 [0.402, 0.742] mg/100g (wet weight); based on
nutrient studies.
