分類 / 名前
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Anguilliformes (Eels and morays) >
Ophichthidae (Snake eels) > Ophichthinae
Etymology: Ophichthus: Greek, ophis = serpent + Greek, ichthys = fish (Ref. 45335); nguyenorum: Name 'nguyenorum' in honor of Dr. Phung Huu Nguyen, Huong Khac Nguyen, and Thi Nhat Nguyen for their contributions in Vietnam's marine fish taxonomy.
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 10 - 20 m (Ref. 133101). Tropical
Western Central Pacific: Vietnam.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 97.6 cm TL オス/雌雄の選別がない; (Ref. 133101)
簡単な記述
検索表 | 形態学 | 形態計測学
脊つい: 190 - 196. This species is distinguished by the following set of characters: snout rather pointed but occipital strongly convex (duck shaped); body with numerous longitudinal wrinkles, weak on posterior abdomen; head 5.4-6.2% TL; preanal length 31.4-33.5% TL; tail 66.5-68.6% TL; snout length 14.6-16.4% HL; one protrusion along upper lip (rarely 2 on one side); dorsal-fin origin slightly behind pectoral-fin tip; SO 1 + 3, POM 5 or 6 + 2; all teeth small and sharp; teeth on maxilla in one row anteriorly but increasing posteriorly; teeth on mandible biserial; dark body, usually including abdomen; dorsal fin darker with dark margin; anal fin initially pale but darkening towards tip; total vertebrae 190-196, MVF 15-62-192 (Ref. 133101).
Body shape (shape guide): eel-like; Cross section: circular.
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Vo, Q.V., Y. Hibino, H.-C. Ho, T.T.T. Le and Y.G. Seah, 2025. Two new snake eels (Anguilliformes, Ophichthidae, Ophichthus) from Viet Nam, with redescriptions of O. macrochir (Bleeker) and O. rutidoderma (Bleeker). ZooKeys 1231:311-329. (Ref. 133101)
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=0.00093 (0.00041 - 0.00212), b=2.99 (2.79 - 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) |
4.1 ±0.7 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 (Preliminary K or Fecundity.). |
漁業の脆弱性 (Ref. 59153) |
Moderate vulnerability (45 of 100). 🛈 |