分類 / 名前
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Stomiiformes (Lightfishes and dragonfishes) >
Stomiidae (Barbeled dragonfishes) > Melanostomiinae
Etymology: Eustomias: Greek, eu = good + Greek, stoma = mouth (Ref. 45335).
Eponymy: Robert Henry Gibbs Jr. [...] (Ref. 128868), visit book page.
More on authors: Johnson & Rosenblatt.
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 0 - 1100 m (Ref. 11333). Deep-water; 25°N - 30°S
Pacific Ocean: between 10° and 25°N and between 20° and 30°S.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 15.6 cm SL オス/雌雄の選別がない; (Ref. 11333); 14.6 cm SL (female)
簡単な記述
検索表 | 形態学 | 形態計測学
A single, cone-shaped terminal bulb 0.9-1.5% SL except in the smallest specimen. Barbel relatively short 25-52% SL except in specimens smaller than 7 cm. A single, simple or bifurcate, short terminal filament 5.1-1.6% SL, decreasing relatively with growth. Proximal end of bulb almost flat, with a solid black cap. Axis of stem moderately to lightly pigmented. No spot usually at the base of both. External chevron-shaped or roundish striated areas unpigmented. Middorsal paired spots between occiput and dorsal-fin origin 8 (rarely 9) (Ref. 11333).
Body shape (shape guide): elongated.
Mesopelagic at 50-800 m (Ref. 58302). Environment and actual depth range needs verification.
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Gibbs, R.H. Jr., T.A. Clarke and J.R. Gomon, 1983. Taxonomy and distribution of the stomioid fish genus Eustomias (Melanostomiidae), I: subgenus Nominostomias. Smithson. Contrib. Zool. 380:139 p. (Ref. 11333)
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 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00309 (0.00118 - 0.00808), b=3.12 (2.89 - 3.35), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
栄養段階 (参照 69278) |
4.3 ±0.8 se; based on size and trophs of closest relatives |
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 (Assuming tmax>3). |
漁業の脆弱性 (Ref. 59153) |
Low to moderate vulnerability (28 of 100). 🛈 |