分類 / 名前
共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
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Anguilliformes (Eels and morays) >
Nettastomatidae (Duckbill eels)
Etymology: Facciolella: Latin, diminutive of falx, falcis = sickle (Ref. 45335).
Eponymy: Dr Luigi Facciolà (1851–1943) was an Italian physician and ichthyologist who was the first to recognise and describe the Witch-Eel genus (1911) but in doing so used a preoccupied name (Nettastomella). [...] (Ref. 128868), visit book page.
More on author: Gilbert.
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
海 深海浮遊性; 深さの範囲 64 - 1000 m (Ref. 96339). Deep-water
Eastern Central Pacific: Point Conception, California, USA to Panama, and Guadalupe and Galapagos Islands.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 90.0 cm TL オス/雌雄の選別がない; (Ref. 28023)
簡単な記述
検索表 | 形態学 | 形態計測学
Color uniformly brown.
Body shape (shape guide): eel-like.
Feeds on small deep-sea crustaceans (Ref. 28023). Caught well offshore in pelagic waters to depths of several hundred meters (Ref. 28023).
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Grove, J.S. and R.J. Lavenberg, 1997. The fishes of the Galápagos Islands. Stanford University Press, Stanford, 863 p. (Ref. 28023)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
人間の用途
水産業: 興味がない
用具
特記事項
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インターネットの情報源
モデルに基づく推定値
系統多様性指数 (参照 82804) |
PD50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00089 (0.00035 - 0.00227), b=2.98 (2.77 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
栄養段階 (参照 69278) |
3.1 ±0.30 se; based on food items. |
回復力 (参照 120179) |
手段, 1.4年~4.4年の倍増期間の最小個体群 (tm=4). |
漁業の脆弱性 (Ref. 59153) |
High vulnerability (56 of 100). 🛈 |