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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.
Environment: milieu / climate zone / depth range / distribution range
Écologie
marin benthopélagique. Temperate; 50°S - 56°S
Southwest Atlantic: Argentine Patagonia, Straits of Magellan and Tierra del Fuego.
Taille / Poids / Âge
Maturity: 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).
Maximum length based on one specimen (Ref. 27363).
Life cycle and mating behavior
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 2024-1)
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
Télécharger en XML
Sources Internet
Estimates based on models
Preferred temperature (Ref.
123201): 4.7 - 5.9, mean 5.1 °C (based on 25 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00589 (0.00282 - 0.01229), b=3.23 (3.05 - 3.41), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.6 ±0.5 se; based on size and trophs of closest relatives
Résilience (Ref.
120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Assuming fec < 10,000).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
Nutrients (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);
