Environment: milieu / climate zone / depth range / distribution range
Ecología
marino; salobre demersal; rango de profundidad ? - 300 m (Ref. 9563). Subtropical; 46°N - 41°S, 18°W - 179°E
Circumglobal: Atlantic (northern coast of Iberian peninsula to South Africa, also Madeira and western Mediterranean) and Indo-Pacific: southern Mozambique to South Africa; north to Japan, south to Australasia.
Tamaño / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 250 cm TL macho / no sexado; (Ref. 3972); common length : 100.0 cm TL macho / no sexado; (Ref. 3397)
Short description
Claves de identificación | Morfología | Morfometría
Body olive green to brown above, paler below; head pores black; young silvery (Ref. 3972).
Inhabiting the continental shelf on sand or mud bottom (Ref. 4455). Buried with only its head exposed (Ref. 27121). Also found in estuaries (Ref. 9563).
Life cycle and mating behavior
Maturities | Reproducción | Spawnings | Egg(s) | Fecundities | Larva
Bauchot, M.-L., 1986. Ophichthidae (including Echelidae). p. 577-585. In P.J.P. Whitehead, M.-L. Bauchot, J.-C. Hureau, J. Nielsen and E. Tortonese (eds.) Fishes of the north-eastern Atlantic and the Mediterranean. volume 2. UNESCO, Paris. (Ref. 6522)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Pesquerías: escaso valor comercial; pesca deportiva: si
Herramientas
Special reports
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Fuentes de Internet
Estimates based on models
Preferred temperature (Ref.
123201): 13.4 - 27.4, mean 19.7 °C (based on 1148 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00071 (0.00040 - 0.00124), b=2.97 (2.82 - 3.12), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Nivel trófico (Ref.
69278): 4.1 ±0.7 se; based on size and trophs of closest relatives
Resiliencia (Ref.
120179): Muy bajo, población duplicada en un tiempo mínimo superior a 14 años (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (90 of 100).
Nutrients (Ref.
124155): Calcium = 17.5 [4.7, 48.6] mg/100g; Iron = 0.692 [0.254, 2.830] mg/100g; Protein = 19 [17, 21] %; Omega3 = 0.272 [0.123, 0.723] g/100g; Selenium = 41.9 [11.4, 112.3] μg/100g; VitaminA = 4.34 [1.45, 12.72] μg/100g; Zinc = 0.534 [0.270, 1.002] mg/100g (wet weight);