Environment: milieu / climate zone / depth range / distribution range
Ecologia
marino; salmastro demersale; distribuzione batimetrica ? - 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 / Peso / Age
Maturity: Lm ? range ? - ? cm
Max length : 250 cm TL maschio/sesso non determinato; (Ref. 3972); common length : 100.0 cm TL maschio/sesso non determinato; (Ref. 3397)
Short description
Chiavi di identificazione | Morfologia | Morfometria
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
Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve
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
Pesca: scarso interesse commerciale; Pesce da pesca sportiva: si
Strumenti
Special reports
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Fonti 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).
Trophic level (Ref.
69278): 4.1 ±0.7 se; based on size and trophs of closest relatives
Resilienza (Ref.
120179): Molto basso, tempo minimo di raddoppiamento della popolazione più di 14 anni (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);
