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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 / rango de profundidad / distribution range
Ecología
marino bentopelágico. Temperate; 50°S - 56°S
Southwest Atlantic: Argentine Patagonia, Straits of Magellan and Tierra del Fuego.
Tamaño / Peso / Age
Madurez: Lm ? range ? - ? cm
Max length : 13.0 cm SL macho / no sexado; (Ref. 27363)
Short description
Claves de identificación | Morfología | Morfometría
Espinas dorsales (total) : 5; Radios blandos dorsales (total) : 36; Espinas anales: 0; Radios blandos anales: 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).
Life cycle and mating behavior
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
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)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Herramientas
Special reports
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Fuentes de Internet
Estimates based on models
Preferred temperature (Referencia
123201): 4.7 - 5.9, mean 5.1 °C (based on 25 cells).
Phylogenetic diversity index (Referencia
82804): PD
50 = 0.5000 [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).
Nivel trófico (Referencia
69278): 3.6 ±0.5 se; based on size and trophs of closest relatives
Resiliencia (Referencia
120179): Medio, población duplicada en un tiempo mínimo de 1.4-4.4 años (Assuming fec < 10,000).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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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);
