>
Eupercaria/misc (Various families in series Eupercaria) >
Sciaenidae (Drums or croakers)
Etymology: Umbrina: Latin, umbra, -ae = shadow, in the sense of phantom; due to its quick movements (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina bentopelagisk; djupintervall 15 - 100 m (Ref. 3593). Tropical
Eastern Atlantic: Guinea to Angola (Ref. 3593). Mauritania is the northern limit of its distribution (Ref. 5377).
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 47.0 cm TL hane/ej könsbestämd; (Ref. 3593)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Mjukstrålar i ryggfenan (totalt) : 29 - 31.
Inhabit sandy mud bottoms (Ref. 2683).
Life cycle and mating behavior
Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver
Chao, L.N. and E. Trewavas, 1990. Sciaenidae. p. 813-826. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 2. (Ref. 3593)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Fiskeri: kommersiell
Verktyg
Special reports
Download XML
Internet-källor
Estimates based on models
Preferred temperature (Ref.
123201): 18.6 - 25.9, mean 20.7 °C (based on 39 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00912 (0.00463 - 0.01795), b=3.08 (2.92 - 3.24), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (37 of 100).