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Perciformes/Notothenioidei (Icefishes) >
Nototheniidae (Cod icefishes) > Nototheniinae
Etymology: Patagonotothen: Composed from Patagonia, the Argentinian province + Greek,noton = back + Greek, adverbial particle, then, that denotes distance or removal (Ref. 45335).
More on author: Richardson.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina bentopelagisk. Subtropical
Southeast Pacific and Southwest Atlantic: Chilean and Argentine Patagonia.
Storlek / Vikt / Ålder
Könsmognad: Lm ? range ? - ? cm
Max length : 28.0 cm TL hane/ej könsbestämd; (Ref. 56972); publicerad maxvikt: 311.00 g (Ref. 124534)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 5; Mjukstrålar i ryggfenan (totalt) : 32; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 30. Scale on lateral line 43 (upper), 8 (lower). Caudal fin subtruncate. Body brownish above and paler below, with irregular broad dark blotches on body. First dorsal fin with a black spot covering greater part of it. First dorsal and caudal fins variegated with series of small dark spots (Ref. 27363).
Body shape (shape guide): fusiform / normal.
Males guard the nesting sites (Ref. 57915).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Male parental care (Ref. 57915).
Hureau, J.-C., 1985. Nototheniidae. p. 323-385. In W. Fischer and J.C. Hureau (eds.) FAO species identification sheets for fishery purposes. Southern Ocean (Fishing areas 48, 58 and 88). Rome. Vol. 2:233-470. (Ref. 2807)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Verktyg
Särskilda rapporter
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Uppskattningar baserade på modeller
Önskad temperatur (Ref.
123201): 4.7 - 9.7, mean 6.1 °C (based on 210 cells).
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00631 (0.00365 - 0.01089), b=3.23 (3.08 - 3.38), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.8 ±0.6 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Fec = 7,634).
Sårbarhet i fisket (Ref.
59153): Low vulnerability (18 of 100).
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Näringsämnen (Ref.
124155): Calcium = 67.8 [42.8, 123.6] mg/100g; Iron = 0.955 [0.625, 1.543] mg/100g; Protein = 17.8 [16.5, 19.2] %; Omega3 = 0.382 [0.230, 0.607] g/100g; Selenium = 29.4 [15.4, 57.0] μg/100g; VitaminA = 39 [14, 114] μg/100g; Zinc = 0.91 [0.67, 1.23] mg/100g (wet weight);
