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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).
Eponymy: David Walter Wilton (1873–1940) was an expert in skiing and sledging. [...] (Ref. 128868), visit book page.
More on author: Regan.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina bentopelagisk. Temperate; 50°S - 56°S
Southwest Atlantic: Argentine Patagonia, Straits of Magellan and Tierra del Fuego.
Storlek / Vikt / Ålder
Könsmognad: Lm ? range ? - ? cm
Max length : 13.0 cm SL hane/ej könsbestämd; (Ref. 27363)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 5; Mjukstrålar i ryggfenan (totalt) : 36; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 33. Lateral line scales 49 (upper), 11 (lower). Body brown dorsally and pale brown ventrally with dark brown indistinct crossbars; black blotch on posterior part of first dorsal fin membrane; margins of second dorsal, anal and caudal fins dusky; dusky band on caudal fin base (Ref. 27363).
Body shape (shape guide): fusiform / normal.
Maximum length based on one specimen (Ref. 27363).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Nakamura, I., T. Inada, M. Takeda and H. Hatanaka, 1986. Important fishes trawled off Patagonia. Japan Marine Fishery Resource Research Center, Tokyo. 369 p. (Ref. 27363)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
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Harmless
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Uppskattningar baserade på modeller
Önskad temperatur (Ref.
123201): 4.7 - 5.9, mean 5.1 °C (based on 25 cells).
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00589 (0.00286 - 0.01212), b=3.22 (3.04 - 3.40), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.6 ±0.5 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Assuming fec < 10,000).
Sårbarhet i fisket (Ref.
59153): Low vulnerability (10 of 100).
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Näringsämnen (Ref.
124155): Calcium = 51.6 [32.5, 112.0] mg/100g; Iron = 0.4 [0.2, 0.7] mg/100g; Protein = 17.3 [15.9, 18.5] %; Omega3 = 0.742 [0.364, 1.496] g/100g; Selenium = 11.9 [5.5, 24.7] μg/100g; VitaminA = 62.4 [18.0, 214.9] μg/100g; Zinc = 0.815 [0.579, 1.124] mg/100g (wet weight);
