Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري قاعية المعيشة; نطاق العمق 100 - 700 m (Ref. 56504). Deep-water; 73°N - 26°N, 30°W - 37°E (Ref. 54564)
Northeast Atlantic: Iceland southward to Cape Bojador (26°N), West Sahara and in the western Mediterranean.
Length at first maturity / الحجم / وزن / العمر
Maturity: Lm 25.8  range ? - ? cm
Max length : 60.0 cm TL ذكر/ مختلط الجنس; (Ref. 3397); common length : 25.0 cm TL ذكر/ مختلط الجنس; (Ref. 3397); أعلا وزن تم نشرة: 0.00 g; العمر: 16 سنين (Ref. 108908)
الأشواك الظهرية (المجموع): 0; الأشعة الظهرية الناعمة (المجموع): 85-94; أشعه شرجية لينه: 64 - 74. Dorsal fin origin closer to tip of snout than to anterior edge of eye. Dorsal and anal fins terminate just a little on the blind side of the caudal peduncle. Lateral line forms a distinct curve above the pectoral fin. Dorsal and anal fin with indefinite darker spots posteriorly.
Adults occur on soft bottoms. Depth range from 100-400 m (Ref. 06302) and from 288-700 m in the eastern Ionian Sea (Ref. 56504). Feed on small bottom-living fishes as well as squids and crustaceans (Ref. 4703). Spawning occurs in deep waters off Iceland and west of the British Isles (Ref. 35388).
Nielsen, J.G., 1990. Scophthalmidae. p. 1026. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 2. (Ref. 6501)
IUCN Red List Status (Ref. 130435)
استخدامات بشرية
مصائد: ذو قيمة تاجرية عالية
مزيد من المعلومات
مراجعالأستزراع المائيملف الأستزراع المائيسلالاتجينيElectrophoresesالتوريثالأمراضمعالجةNutrientsMass conversion
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (Ref.
123201): 6.3 - 11.4, mean 7.7 °C (based on 165 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7520 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00479 (0.00375 - 0.00610), b=3.10 (3.03 - 3.17), in cm total length, based on LWR estimates for this species (Ref.
93245).
مستوى غذائي (Ref.
69278): 4.3 ±0.1 se; based on diet studies.
Generation time: 6.5 (5.5 - 9.2) years. Estimated as median ln(3)/K based on 23
growth studies.
المرونه (Ref.
120179): وسيط, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 1.4-4.4 سنة (K=0.13; tm=2-4; Fec = 26,522; tmax=16).
Prior r = 0.51, 95% CL = 0.33 - 0.76, Based on 6 stock assessments.
Fishing Vulnerability (Ref.
59153): High vulnerability (60 of 100).
Climate Vulnerability (Ref.
125649): Low vulnerability (25 of 100).
Nutrients (Ref.
124155): Calcium = 21.2 [10.9, 41.1] mg/100g; Iron = 0.309 [0.126, 0.732] mg/100g; Protein = 19.3 [17.5, 20.9] %; Omega3 = 0.35 [0.17, 0.77] g/100g; Selenium = 14.6 [4.4, 46.1] μg/100g; VitaminA = 12.1 [2.5, 55.2] μg/100g; Zinc = 0.285 [0.146, 0.582] mg/100g (wet weight); based on
nutrient studies.