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Perciformes/Notothenioidei (Icefishes) >
Nototheniidae (Cod icefishes) > Nototheniinae
Etymology: Nototheniops: Greek, noton = filament + Greek, adverbial particle, then, that denotes distance or removal + Greek, opsis = appearance (Ref. 45335); nudifrons: Name from Latin nudus meaning naked and frons for forehead, for the unscaled forehead (Ref. 11892).
More on author: Lönnberg.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal; depth range 3 - 400 m (Ref. 11892). Polar; 55°S - 72°S
Southern Ocean: Scotia Arc, South Georgia, South Shetlands, South Orkneys, South Sandwich.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 19.5 cm SL male/unsexed; (Ref. 11892)
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
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Estimates based on models
Preferred temperature (Ref.
123201): -1.3 - 0, mean -0.9 °C (based on 28 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00537 (0.00361 - 0.00798), b=3.29 (3.17 - 3.41), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trophic level (Ref.
69278): 3.5 ±0.3 se; based on diet studies.
Resilience (Ref.
120179): Medium, minimum population doubling time 1.4 - 4.4 years (Fec=500; assuming tm<=4).
Fishing Vulnerability (Ref.
59153): Low vulnerability (14 of 100).
Climate Vulnerability (Ref.
125649): Moderate to high vulnerability (49 of 100).
Nutrients (Ref.
124155): Calcium = 41.2 [24.7, 106.7] mg/100g; Iron = 0.584 [0.222, 1.136] mg/100g; Protein = 17 [16, 18] %; Omega3 = 0.422 [0.228, 0.761] g/100g; Selenium = 12.3 [5.2, 27.0] μg/100g; VitaminA = 27.8 [6.2, 125.4] μg/100g; Zinc = 0.513 [0.343, 0.777] mg/100g (wet weight);