>
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.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin benthopélagique. Temperate; 50°S - 56°S
Southwest Atlantic: Argentine Patagonia, Straits of Magellan and Tierra del Fuego.
Taille / Poids / Âge
Maturité: Lm ? range ? - ? cm
Max length : 13.0 cm SL mâle / non sexé; (Ref. 27363)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 5; Rayons mous dorsaux (Total) : 36; Épines anales: 0; Rayons mous anaux: 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).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
Télécharger en XML
Sources Internet
Estimations basées sur des modèles
Température préférée (Réf.
123201): 4.7 - 5.9, mean 5.1 °C (based on 25 cells).
Indice de diversité phylogénétique (Réf.
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).
Niveau trophique (Réf.
69278): 3.6 ±0.5 se; based on size and trophs of closest relatives
Résilience (Réf.
120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Assuming fec < 10,000).
Vulnérabilité de la pêche (Ref.
59153): Low vulnerability (10 of 100).
🛈
Nutriments (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);
