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: obscura: From the dark color of the body and scale pockets.
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 底中水層性; 深度上下限 0 - 490 m (Ref. 41397). 深水域
Western Indian Ocean: Yemen and Somalia, Arabian Peninsula.
西印度洋: 阿拉伯半島。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 15.2 cm SL 雄魚/尚未辨別雌雄; (Ref. 41397)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背的軟條 (總數) : 9 - 10; 臀鰭軟條: 9 - 10; 脊椎骨: 42 - 44. Branchiostegal rays 4. Caudal peduncle long and narrow; 2.2-2.6 times the depth. Anterodorsal distance is 48-52% SL. Intensively black pigmented scale pockets; adipose fin pigmented only along its base (Ref. 41397).
鰓條骨 4. 尾柄長而狹窄的; 2.2-2.6 倍於深度。 前背部距離是 48-52% SL 。 密集地黑色的鱗囊; 脂鰭有顏色的只沿著它的基底。 (參考文獻 41397)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
西印度洋: 阿拉伯半島。
Kobyliansky, S.G., 1992. Two new species from the genus Nansenia (Microstomatidae, Salmoniformes) from the western Indian Ocean. J. Ichthyol. 32(7):30-36. (Ref. 41397)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)
人類使用
漁業:
工具
特別的報告
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網路資源
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).
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).
