分类 / 名称
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Argentiniformes (Marine smelts) >
Microstomatidae (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.
环境:氛围 / 气候带 / 深度上下限 / 分布范围
生态学
海洋 深海区的; 深度上下限 400 - 1100 m (Ref. 58302). 深水域
分布
领土 | FAO区域 | 生态系 | 标本纪录 | 分布图 | 简介 | Faunafri
Pacific and Atlantic.
太平洋與大西洋。
大小 / 重量 / 年龄
成熟度: Lm ?  range ? - ? cm
Max length : 13.3 cm SL 雄鱼/尚未辨别雌雄; (Ref. 5123)
背的软条 (总数) : 10 - 11; 臀鳍软条: 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).
Body shape (shape guide): elongated; Cross section: oval.
鳃条骨 4. 细长的尾梗有最少深度是 4.3-5.6% SL。 2.3-4.1% SL 的较长的吻.(参考文献 5123)
Mesopelagic (Ref. 58302).
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
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)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
人类利用
工具
特别资料
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网络资源
基于模型的估算
系统发育多样性指数 (参考文献 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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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). |
营养阶层 (参考文献 69278) |
3.3 ±0.4 se; based on size and trophs of closest relatives |
渔业脆弱性 (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |