分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Anguilliformes (Eels and morays)
鰻鱺目 (Eels and morays) >
Ophichthidae (Snake eels)
蛇鰻科 (Snake eels) > Ophichthinae
Etymology: Dalophis: Greek, dalos, ou = torch, burning piece of wood + Greek, ophis = serpent (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋; 半鹹淡水 居於水底的; pH range: 7.5 - 8.2. 熱帶; 23°C - 28°C (Ref. 13614); 21°N - 18°S, 18°W - 14°E
Eastern Atlantic: Mauritania to Angola.
東大西洋: 茅利塔尼亞到安哥拉。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 57.4 cm TL 雄魚/尚未辨別雌雄; (Ref. 3508); common length : 47.5 cm TL 雄魚/尚未辨別雌雄; (Ref. 4455)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 0; 背的軟條 (總數) : 0; 臀棘: 0; 臀鰭軟條: 0. Caudal ends in a hardened point. Ogivale head, small eyes near buccal joint at end of snout. Buccal slit short, snout prominent covered with villi. Gill slits lateroventral, crescentiform. Thin dorsal and anal fins, in groove; dorsal origin behind gill slits (predorsal length 11.5-16.9% TL); anal origin immediately behind anus. Pores of lateral system and cephalic slightly rimmed. One median pore on the supraorbital joint; 57-64 pores on lateral line before the anus. Vertebrae: 149-162. Dark brown back and dorsal base, whitish belly.
尾部的末端形成硬的尖端。 有尖頂拱的頭部, 在吻端的口接合的附近小眼。 口的裂縫短, 吻突出的被覆蓋著的絨毛。 鰓縫後腹部的, 新月形的。 細的背鰭與臀鰭, 有凹槽; 在鰓縫 (前背的長度 11.5-16.9% TL) 後面的背鰭起點; 臀鰭起點在肛門正後方。 側線系統的孔與頭部的些微地鑲邊。 在眶上的接合上的一個中央的孔; 肛門前的在側線上的 57-64個孔。 脊椎骨: 149-162. 深褐色的背面與背鰭基底, 微白色的腹面。
Mainly nocturnal. During the day, this fish lies buried in the sediment with the head out.
主要夜行。 在白天期間，這一個魚躺臥埋藏在沉澱物之中露出頭部。
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
東大西洋: 茅利塔尼亞到安哥拉。
Leiby, M., 1990. Ophichthidae. p. 176-192. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 1. (Ref. 4455)
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Estimates based on models
Preferred temperature (Ref.
123201): 21.4 - 28, mean 27.1 °C (based on 208 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00089 (0.00039 - 0.00204), b=3.00 (2.80 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.8 ±0.6 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (43 of 100).
