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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
生態学
海 深海浮遊性; 深さの範囲 0 - 4145 m (Ref. 58018). Temperate
Southern Ocean: circum-Antarctic in sub-Antarctic water.
サイズ / 重さ / 年齢
Maturity: Lm ?  range ? - ? cm
Max length : 22.0 cm SL オス/雌雄の選別がない; (Ref. 5001)
簡単な記述
検索表 | 形態学 | 形態計測学
背鰭 (合計) : 9 - 10; 臀鰭: 9 - 10; 脊つい: 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).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
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)
IUCNのレッドリストの状況は (Ref. 130435: Version 2024-1)
Human uses
用具
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インターネットの情報源
Estimates based on models
Preferred temperature (Ref.
123201): 1.7 - 6.4, mean 2.8 °C (based on 679 cells).
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).
栄養段階 (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (17 of 100).