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Perciformes/Scorpaenoidei (Scorpionfishes) >
Sebastidae (Rockfishes, rockcods and thornyheads) > Sebastinae
Etymology: Sebastes: Greek, sebastes = august, venerable (Ref. 45335); melanops: From the Greek melas and ops meaning 'black' and 'face' (Ref. 27436).
More on author: Girard.
Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري مرتبطة بالشعاب; نطاق العمق 0 - 366 m (Ref. 6885), usually 183 - 274 m (Ref. 6885). Temperate; 7°C - 9°C (Ref. 131065); 62°N - 22°N, 170°E - 110°W
Eastern Pacific: Amchitka Island, Aleutian Islands, Alaska to Paradise Cove, Baja California, Mexico.
Length at first maturity / الحجم / وزن / العمر
Maturity: Lm 40.3, range 30 - 42 cm
Max length : 63.0 cm TL ذكر/ مختلط الجنس; (Ref. 27437); أعلا وزن تم نشرة: 4.8 kg (Ref. 2850); العمر: 50 سنين (Ref. 39247)
الأشواك الظهرية (المجموع) : 13 - 14; الأشعة الظهرية الناعمة (المجموع) : 13 - 16; شوكة شرجية: 3; أشعه شرجية لينه: 7 - 9; فقرات: 26. Head spines weak to very weak - nasals present, preocular and postocular spines usually absent, supraocular, tympanic, coronal, parietal and nuchal spines absent (Ref. 27437). Symphyseal knob very weak or absent (Ref. 27437). Eyes moderately large (Ref. 27437). Anal fin profile rounded or with greater portion slanted posteriorly (Ref. 27437). Posterior margin of caudal fin indented (Ref. 27437). Dark grey to black with light grey mottling dorsally, lighter ventrally (Ref. 27437). Branchiostegal rays: 7 (Ref. 36715).
Found near rocky reefs in shallow water and in open water over deep banks (Ref. 2850). Adults live both off and on bottom (Ref. 2850). Juveniles are pelagic (Ref. 36715). Form schools (Ref. 2850). Feed on fishes (Ref. 27302). Viviparous, with planktonic larvae (Ref. 36715). Young are important prey species for other fishes, marine mammals and birds. Excellent food fish (Ref. 27436).
Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850)
IUCN Red List Status (Ref. 130435: Version 2024-1)
استخدامات بشرية
مصائد: غير مهمة تجارياً; لعبة سمكه: نعم; حوض مائي: احواض مائية عامة
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (Ref.
123201): 3.8 - 7.8, mean 5.5 °C (based on 52 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00495 - 0.02022), b=3.09 (2.92 - 3.26), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 4.4 ±0.0 se; based on diet studies.
المرونه (Ref.
120179): منخفض, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 4.5-14 سنة (tm=7.5; K=0.14; tmax=50).
Prior r = 0.18, 95% CL = 0.12 - 0.27, Based on 5 full stock assessments.
Fishing Vulnerability (Ref.
59153): High vulnerability (64 of 100).
Climate Vulnerability (Ref.
125649): Moderate vulnerability (37 of 100).
Nutrients (Ref.
124155): Calcium = 6.07 [2.24, 17.66] mg/100g; Iron = 0.114 [0.045, 0.266] mg/100g; Protein = 18.9 [17.8, 20.2] %; Omega3 = 0.774 [0.291, 2.159] g/100g; Selenium = 25.3 [9.1, 74.1] μg/100g; VitaminA = 96.4 [29.4, 326.0] μg/100g; Zinc = 0.322 [0.164, 0.589] mg/100g (wet weight); based on
nutrient studies.
