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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).
Eponymy: George Albert Boulenger (1858–1937) was a Belgian-British zoologist at the British Museum, London. [...] (Ref. 128868), visit book page.

Environment: milieu / climate zone / depth range / distribution range Ökologie

seewasser; brackwasser demersal; pH range: 7.5 - 8.2. Tropical; 23°C - 28°C (Ref. 13614); 21°N - 18°S, 18°W - 14°E

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Eastern Atlantic: Mauritania to Angola.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 57.4 cm TL Männchen/unbestimmt; (Ref. 3508); common length : 47.5 cm TL Männchen/unbestimmt; (Ref. 4455)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt) : 0; Rückenflossenweichstrahlen (insgesamt) : 0; Afterflossenstacheln: 0; Afterflossenweichstrahlen: 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.

Mainly nocturnal. During the day, this fish lies buried in the sediment with the head out.

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

Hauptreferenz Upload your references | Referenzen | Koordinator : McCosker, John E. | Partner

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)

IUCN Rote Liste Status (Ref. 130435: Version 2024-1)

nicht bedroht (LC) ; Date assessed: 25 October 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

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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): PD₅₀ = 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).

Trophic level (Ref. 69278): 3.8 ±0.6 se; based on size and trophs of closest relatives

Widerstandsfähigkeit (Ref. 120179): mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Moderate vulnerability (43 of 100).

Dalophis boulengeri (Blache, Cadenat & Stauch, 1970)