分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Argentiniformes (Marine smelts)
胡瓜魚目 (Marine smelts) >
Microstomatidae (Pencil smelts)
小口鮭科 (Pencil smelts)
Etymology: longicauda: Named for its long and slender tail.
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
生態學
海洋 深海區的; 深度上下限 400 - 1100 m (Ref. 58302). 深水域
Pacific and Atlantic.
太平洋與大西洋。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 13.3 cm SL 雄魚/尚未辨別雌雄; (Ref. 5123)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背的軟條 (總數) : 10 - 11; 臀鰭軟條: 9 - 11; 脊椎骨: 47 - 50. Branchiostegal rays 4. Slender caudal peduncle with the least depth of which is 4.3-5.6 % SL. Longer snout of 2.3-4.1 % SL (Ref. 5123).
鰓條骨 4. 細長的尾梗有最少深度是 4.3-5.6% SL。 2.3-4.1% SL 的較長的吻.(參考文獻 5123)
Mesopelagic (Ref. 58302).
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
太平洋與大西洋。
Kawaguchi, K. and J.L. Butler, 1984. Fishes of the genus Nansenia (Microsomatidae) with descriptions of seven new species. Los Angeles County Mus. Contr. Sci. 352:1-22. (Ref. 5123)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)
人類使用
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Estimates based on models
Preferred temperature (Ref.
123201): 1.5 - 1.7, mean 1.6 °C (based on 15 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).
營養階層 (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
