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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
البيئة
بحري القاع; نطاق العمق 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).
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 100.0 cm TL ذكر/ مختلط الجنس; (Ref. 11228); common length : 50.0 cm TL ذكر/ مختلط الجنس; (Ref. 3490)
الأشواك الظهرية (المجموع) : 11; الأشعة الظهرية الناعمة (المجموع) : 23 - 26; شوكة شرجية: 2; أشعه شرجية لينه: 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 | التكاثر | Spawnings | Egg(s) | Fecundities | Larvae
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)
استخدامات بشرية
مصائد: تجاري; لعبة سمكه: نعم
أدوات
تقارير خاصة
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مصادر علي الأنترنت
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).
مستوى غذائي (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.
المرونه (Ref.
120179): وسيط, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 1.4-4.4 سنة (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);
