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Argentiniformes (Marine smelts) >
Microstomatidae (Pencil smelts)
Etymology: antarctica: Named for its region of occurrence.
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
Ecologia
marinhas batipelágico; intervalo de profundidade 0 - 4145 m (Ref. 58018). Temperate
Southern Ocean: circum-Antarctic in sub-Antarctic water.
Tamanho / Peso / Idade
Maturity: Lm ?  range ? - ? cm
Max length : 22.0 cm SL macho/indeterminado; (Ref. 5001)
Descrição suscinta
Chaves de identificação | Morfologia | Morfometria
Raios dorsais (total) : 9 - 10; Raios anais : 9 - 10; Vértebras: 47 - 50. Branchiostegal rays 3. Pyloric caeca 7. Ratio of caudal peduncle length to depth is greater than 1.5 (Ref. 5123).
The largest specimen studied, 20.75 cm SL had matured ovaries with developing eggs (Ref. 5123).
Ciclo de vida ou comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Gon, O., 1990. Microstomatidae. p. 105-106. In O. Gon and P.C. Heemstra (eds.) Fishes of the Southern Ocean. J.L.B. Smith Institute of Ichthyology, Grahamstown, South Africa. 462 p. (Ref. 5001)
Status na Lista Vermelha da UICN (Ref. 130435: Version 2024-1)
Ameaça para os humanos
Harmless
Uso pelos humanos
Ferramentas
Relatórios especiais
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Fontes da internet
Estimates based on models
Preferred temperature (Ref.
123201): 1.7 - 6.4, mean 2.8 °C (based on 679 cells).
Índice de diversidade filogenética (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).
Nível Trófico (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (17 of 100).