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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 bathypélagique; profondeur 500 - 600 m (Ref. 36163). Deep-water; 42°N - 41°N, 2°E - 3°E
Mediterranean Sea: Off Blanes.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 25.0 cm SL (female)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Vertèbres: 46. Branchiostegal rays 4. Adipose fin pigmented at the base. Body generally brown (Ref. 41397).
Also mesopelagic. Three specimens known (2 females, 1 damaged) (Ref. 36163).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Matallanas, J., 1986. Nansenia iberica, a new species of Microstomatidae (Pisces, Salmoniformes). Cybium 10(2):193-198. (Ref. 36163)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-1)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: sans intérêt
Outils
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Sources Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 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): 3.4 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (21 of 100).