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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).
More on author: Valenciennes.
Environment: milieu / climate zone / depth range / distribution range
Ökologie
seewasser demersal; tiefenbereich 20 - 200 m (Ref. 2683). Subtropical; 43°N - 36°S, 19°W - 56°E (Ref. 56870)
Eastern Atlantic and Western Indian Ocean: western Mediterranean and Gibraltar (Ref. 3593) to the Cape and along the east coast of Africa to the Persian Gulf. Not yet recorded from Namibia but may eventually be found there (Ref. 27121).
Size / Gewicht / Alter
Maturity: Lm ? range ? - ? cm
Max length : 100.0 cm TL Männchen/unbestimmt; (Ref. 11228); common length : 50.0 cm TL Männchen/unbestimmt; (Ref. 3490)
Rückenflossenstacheln (insgesamt) : 11; Rückenflossenweichstrahlen (insgesamt) : 23 - 26; Afterflossenstacheln: 2; Afterflossenweichstrahlen: 7. Juveniles brown with narrow oblique wavy stripes, becoming obscure with age (Ref. 4373).
Coastal species (Ref. 27000). Inhabits rocky and sandy bottoms (Ref. 2683). Juveniles may occur in littoral areas. Feeds on shrimps, worms and other bottom-dwelling invertebrates (Ref. 4780). Sold fresh (Ref. 3490).
Life cycle and mating behavior
Maturities | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven
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 Rote Liste Status (Ref. 130435)
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: kommerziell; Sportfisch: ja
Tools
Zusatzinformationen
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Internet Quellen
Estimates based on models
Preferred temperature (Ref.
123201): 13.7 - 25.8, mean 17.3 °C (based on 233 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 (0.00560 - 0.01485), b=3.09 (2.95 - 3.23), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.4 ±0.42 se; based on food items.
Generation time: 2.8 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Widerstandsfähigkeit (Ref.
120179): mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (K=0.3).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (36 of 100).
Nutrients (Ref.
124155): Calcium = 54 [30, 110] mg/100g; Iron = 0.976 [0.488, 1.737] mg/100g; Protein = 19.7 [18.6, 20.8] %; Omega3 = 0.322 [0.192, 0.523] g/100g; Selenium = 41.6 [22.4, 81.4] μg/100g; VitaminA = 5.95 [1.99, 20.02] μg/100g; Zinc = 0.574 [0.405, 0.843] mg/100g (wet weight);
