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Anguilliformes (Eels and morays) >
Ophichthidae (Snake eels) > Ophichthinae
Etymology: Dalophis: Greek, dalos, ou = torch, burning piece of wood + Greek, ophis = serpent (Ref. 45335).
More on author: Bleeker.
Environment: milieu / climate zone / depth range / distribution range
生態学
海; 汽水性の 底生の漂泳性. Tropical
Eastern Atlantic: Liberia to Congo. Reported from the Casamance and Gambia River (Ref. 28587).
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 53.5 cm TL オス/雌雄の選別がない; (Ref. 4455)
簡単な記述
検索表 | 形態学 | 形態計測学
背面の脊椎 (合計) : 0; 背鰭 (合計) : 0; 肛門の骨: 0; 臀鰭: 0. Very similar to D. boulengeri. Dorsal origin very near behind gill slits (predorsal length 7.2-9.8% LT). Lateral line pores 73-80 before anus. Vertebrae: 184-191. Brown olive dorsal, whitish yellow ventral.
Burrows in sand or mud in shallow water near estuaries and in rivers (Ref. 4455).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Bauchot, M.-L., 1990. Ophichthyidae. p. 92-94. In C. Lévêque, D. Paugy and G. G. Teugels (eds.) Faune des poissons d'eaux douces et saumâtres de l'Afrique de l'Ouest. tome 1. Faune Trop. 28. (Ref. 2846)
IUCNのレッドリストの状況は (Ref. 130435: Version 2024-1)
Human uses
用具
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インターネットの情報源
Estimates based on models
Preferred temperature (Ref.
123201): 23.7 - 28, mean 26.7 °C (based on 66 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00091 (0.00039 - 0.00215), 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 (Ref.
69278): 3.8 ±0.6 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 手段, １．４年～４．４年の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (41 of 100).
