Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina; brackvatten bottenlevande; djupintervall ? - 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.
Size / Vikt / Age
Maturity: Lm ? range ? - ? cm
Max length : 250 cm TL hane/ej könsbestämd; (Ref. 3972); common length : 100.0 cm TL hane/ej könsbestämd; (Ref. 3397)
Short description
Bestämningsnycklar | Morfologi | Morfometri
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
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
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: Version 2024-1)
Threat to humans
Harmless
Human uses
Fiskeri: mindre kommeriell; sportfisk: ja
Verktyg
Special reports
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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).
Trofisk nivå (Ref.
69278): 4.1 ±0.7 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Mycket låg, lägsta populationsfördubblingstid mer än 14 år (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);
