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); naevius: Name from Latin 'naevius' meaning having moles or spots, referring to numerous dark spots on the dorsal surface of the body.
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
海 関連する礁; 深さの範囲 25 - 30 m (Ref. 130619). Tropical
Indian Ocean: Bay of Bengal, India.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 37.8 cm TL オス/雌雄の選別がない; (Ref. 130619); 31.6 cm TL (female)
簡単な記述
検索表 | 形態学 | 形態計測学
脊つい: 134 - 138. This moderately elongate species is distinguished from its congeners by the following set of characters: dorsal-fin origin just before pectoral-fin tip; pectoral fin rounded and longer than upper jaw; head 9.7%-10.8% TL; pre-anal length 40.0%-40.9% TL: tail 58.1%-60% TL; snout length 14.8%-18.3% HL; head pores: suprorbital 1 + 4, infraorbital 3 + 3, preopercular 3, mandibular 6; upper jaw no barbel; teeth uniserial small, conical, and pointed; intermaxillary with five teeth, 27-29 curved maxillary teeth on each side, 18 vomerine teeth in irregularly uniserial, 34 mandibular teeth; vertebrae: pre-dorsal 12-14; pre-anal 52-53; total 134-138. Colouration: dorsal body with numerous dense dark spots or patches, ventral body pale yellowish green, opercular mild yellow with no spots, and ventral portion of the lower jaw with distinct dark patches (Ref. 130619).
Cross section: oval.
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Kodeeswaran, P., A. Kathirvelpandian, A. Mohapatra, T.T.P.A. Kumar and U.K. Sarkar, 2023. A new snake eel species of the genus Ophichthus (Anguilliformes: Ophichthidae) from the southeast coast of India, Bay of Bengal, with the taxonomic account of Ophichthus chilkensis. J. Fish Biol. 104(3):737-745. (Ref. 130619)
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) |
3.8 ±0.7 se; based on size and trophs of closest relatives |
回復力 (参照 120179) |
高い, 15か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.). |
漁業の脆弱性 (Ref. 59153) |
Low to moderate vulnerability (25 of 100). 🛈 |