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> Argentiniformes (Marine smelts) > Microstomatidae (Pencil smelts)
Eponymy: Fridtjof Nansen (1861–1930) was a Norwegian explorer, scientist, diplomat and later recipient of the Nobel Peace Prize. [...] (Ref. 128868), visit book page.

Environment: milieu / climate zone / depth range / distribution range Écologie

marin; profondeur 300 - 500 m (Ref. 5951). Temperate; 53°N - 24°N, 20°W - 17°E

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

Eastern Atlantic: southwest of Ireland, western Mediterranean and off Western Sahara. Northwest Atlantic: Canada (Ref. 5951).

Taille / Poids / Âge

Maturity: L_m ? range ? - ? cm
Max length : 18.0 cm SL mâle / non sexé; (Ref. 4458)

Description synthétique Clés d'identification | Morphologie | Morphométrie

Rayons mous dorsaux (Total) : 10 - 11; Rayons mous anaux: 9 - 10; Vertèbres: 42 - 45. Branchiostegal rays 4. Predorsal length longer than 50% SL. Proximal part of adipose fin unpigmented. Entire body covered with guanine (Ref. 5123).

Spawns during winter in the Mediterranean.

Life cycle and mating behavior Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

Cohen, D.M., 1990. Argentinidae. p. 235-238. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 1. (Ref. 4458)

Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-1)

Non évalué

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

Harmless

Utilisations par l'homme

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Estimates based on models

Preferred temperature (Ref. 123201): 10.4 - 14.2, mean 13.5 °C (based on 28 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).

Niveau trophique (Ref. 69278): 3.2 ±0.31 se; based on food items.

Fishing Vulnerability (Ref. 59153): Low vulnerability (12 of 100).

Nutrients (Ref. 124155): Calcium = 22.5 [8.4, 78.3] mg/100g; Iron = 0.517 [0.197, 2.106] mg/100g; Protein = 2.85 [0.00, 6.65] %; Omega3 = 0.526 [0.233, 1.218] g/100g; Selenium = 13 [3, 38] μg/100g; VitaminA = 17.3 [4.9, 61.6] μg/100g; Zinc = 0.631 [0.314, 1.218] mg/100g (wet weight);

Nansenia oblita (Facciolà, 1887)