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); pacificus: Named after the Pacific Ocean, to which this species is endemic.
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 - 1000 m (Ref. 11333). Deep-water
Eastern Central Pacific: off Oahu, Hawaiian Islands and from 21°N, 144°W. Also Western Central Pacific (Ref. 39804).
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 15.7 cm SL オス/雌雄の選別がない; (Ref. 11333)
簡単な記述
検索表 | 形態学 | 形態計測学
背鰭 (合計) : 24; 臀鰭: 39; 脊つい: 69. A single, ovoid terminal bulb 0.8-1.8% SL, with nipple-like distal protuberance. Barbel 41-58% SL. A single but complex terminal filament with 2 long branches arising together near its base, followed by 1-5 large bulblets, then by 2 shortest branches arising together, each usually with a prominent large bulblet; all branches and the main filament with numerous, prominent small bulblets. Filament length 12% SL. Axis of stem lightly or unpigmented; a prominent, wide, black circle forming a cap at base of terminal bulb. External chevron-shaped or roundish striated areas unpigmented. Middorsal paired spots between occiput and dorsal-fin origin usually 7, sometimes 8. Anterior margin of fleshy orbit with a distinct slender pedicel extending posteriorly over the eye (Ref. 11333).
Body shape (shape guide): elongated.
Mesopelagic (Ref. 58302). Environment and depth range needs to be checked.
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). 🛈 |