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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
Sinh thái học
Biển Sống nổi và đáy; Mức độ sâu 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 / Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm 27.3, range 19 - 36 cm
Max length : 55.0 cm TL con đực/không giới tính; (Ref. 5179); common length : 35.0 cm TL con đực/không giới tính; (Ref. 2121); Tuổi cực đại được báo cáo: 19 các năm (Ref. 5789)
Các tia vây lưng cứng (tổng cộng): 4 - 5; Các vây lưng mềm (tổng cộng): 36-37; Tia mềm vây hậu môn: 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)
Threat to humans
Harmless
Human uses
Các nghề cá: buôn bán nhỏ
Các công cụ
Special reports
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Các nguồn internet
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).
Mức dinh dưỡng (Ref.
69278): 3.5 ±0.52 se; based on food items.
Thích nghi nhanh (Ref.
120179): thấp, thời gian nhân đôi của chủng quần tối thiểu là 4.5 - 14 năm (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.
