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Perciformes/Notothenioidei (Icefishes) >
Nototheniidae (Cod icefishes) > Trematominae
Etymology: borchgrevinki: Named after C.E. Borchgrevink, Norway, Commander of the Bristish Southern Cross Antarctic Expedition of 1898-1900 (Ref. 11892).
More on author: Boulenger.
Environment: milieu / climate zone / depth range / distribution range
Sinh thái học
Biển; Mức độ sâu 0 - 550 m (Ref. 11892), usually 0 - 30 m (Ref. 5179). Polar; 60°S - 78°S, 180°W - 180°E
Southern Ocean: Ross, Davis and Weddell Sea, Vincennes Bay, Budd Coast, Antarctic Peninsula, South Orkney and South Shetland islands.
Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm ?  range ? - ? cm
Max length : 28.0 cm TL con đực/không giới tính; (Ref. 5179)
Các tia vây lưng cứng (tổng cộng) : 4 - 7; Các vây lưng mềm (tổng cộng) : 34 - 38; Tia mềm vây hậu môn: 30 - 35. Yellowish with dark spots, irregular crossbars. Dorsal and caudal with series of spots sometimes (Ref. 11892).
A cryopelagic species associated with the underside of ice. An anti-freezing substance enable Individuals to tolerate sub-zero temperature (Ref. 33215). Adults feed on copepods and krill (Ref. 5179). Sexually mature individuals spawn once a year (Ref. 89319). Larval pelagic phase is long (Ref. 89319).
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: không ích lợi (thú vị)
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Estimates based on models
Preferred temperature (Ref.
123201): -1.8 - -1, mean -1.7 °C (based on 1248 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00617 (0.00319 - 0.01192), b=3.21 (3.04 - 3.38), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Mức dinh dưỡng (Ref.
69278): 3.2 ±0.34 se; based on food items.
Generation time: 7.8 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Thích nghi nhanh (Ref.
120179): Trung bình, thời gian nhân đôi của chủng quần tối thiểu là 1.4 - 4.4 năm (Fec = 1,500-3,000).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (52 of 100).
Nutrients (Ref.
124155): Calcium = 30.6 [15.7, 69.2] mg/100g; Iron = 0.576 [0.269, 1.185] mg/100g; Protein = 17.1 [15.6, 18.7] %; Omega3 = 0.406 [0.217, 0.752] g/100g; Selenium = 11.5 [4.2, 25.6] μg/100g; VitaminA = 28.7 [6.0, 141.0] μg/100g; Zinc = 0.58 [0.38, 0.90] mg/100g (wet weight); based on
nutrient studies.