Environment: milieu / climate zone / depth range / distribution range
पारिस्थितिकी
समुद्री ड़िमरसल; गहराई सीमा 6 - 429 m (Ref. 11892). Polar; 53°S - 67°S, 75°W - 75°E
Southern Ocean: Scotia Arc and Heard Island. Also distributed in the South Atlantic, near the southern Shetland, southern Sandwich, southern Orkney Islands, and near South Georgia Island (Ref. 4883).
Length at first maturity / आकार / वज़न / Age
Maturity: Lm 37.7  range ? - ? cm
Max length : 55.0 cm TL पुल्लिंग / अलिंग; (Ref. 5179); common length : 40.0 cm TL पुल्लिंग / अलिंग; (Ref. 2121)
पृष्ठीय रीढ़ (सम्पूर्ण) : 6 - 8; पृष्ठीय सौफट रेज़ (सम्पूर्ण) : 31 - 34; ऐनल सौफट रेज़: 31 - 34. Upper part of head and body irregularly spotted and blotched. Rarely with traces of darker cross-bars, young with irregular cross-bars, broken up into three or four series of alternating spots (Ref. 11892).
Mature females may spawn for the first time from around 6-8 years of age (Ref. 71843).
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 2024-1)
Threat to humans
Harmless
Human uses
मात्स्यिकी: लघु वाणिज्य
साधन
Special reports
Download XML
इंटरनेट स्रोत
Estimates based on models
Preferred temperature (Ref.
123201): -1.3 - 0.7, mean -0.6 °C (based on 36 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00407 (0.00344 - 0.00482), b=3.24 (3.19 - 3.29), in cm total length, based on LWR estimates for this species (Ref.
93245).
Trophic level (Ref.
69278): 3.3 ±0.2 se; based on diet studies.
लौटाव (Ref.
120179): निम्न, न्यूनतम जनसंख्या दुगनी होने का समय 4.5 - 14 वर्ष। (Fec=21,699; tm=10).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (42 of 100).
Climate Vulnerability (Ref.
125649): Moderate to high vulnerability (46 of 100).
Nutrients (Ref.
124155): Calcium = 19.7 [11.5, 46.6] mg/100g; Iron = 0.384 [0.181, 0.754] mg/100g; Protein = 17.7 [15.5, 19.6] %; Omega3 = 0.329 [0.180, 0.572] g/100g; Selenium = 16.6 [7.0, 41.1] μg/100g; VitaminA = 12.4 [2.7, 59.6] μg/100g; Zinc = 0.497 [0.332, 0.747] mg/100g (wet weight); based on
nutrient studies.