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Gadiformes (Cods) >
Merlucciidae (Merluccid hakes)
Etymology: Merluccius: Latin, mar, maris = the sea + Latin, lucius = pike (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري قاعية المعيشة; غير مهاجرة; نطاق العمق 50 - 1248 m (Ref. 112558), usually 50 - 550 m (Ref. 58452). Deep-water; 29°N - 19°S, 19°W - 15°E (Ref. 58452)
Eastern Atlantic: off the coast of tropical West Africa, from Mauritania to Angola. Range reported to extend to off southwest Africa near Cape Frio, Namibia (Ref. 6524).
Length at first maturity / الحجم / وزن / العمر
Maturity: Lm 44.4 range ? - ? cm
Max length : 80.0 cm TL ذكر/ مختلط الجنس; (Ref. 1371); common length : 40.0 cm TL ذكر/ مختلط الجنس; (Ref. 26999)
الأشواك الظهرية (المجموع) : 1; الأشعة الظهرية الناعمة (المجموع) : 45 - 52. Head large and little depressed. Pectoral fin tips usually reaching the origin of anal fin in small but not in large individuals. Scales easily shed. Color usually blackish on back, steel gray to blackish on belly; caudal fin white-edged.
Feeds mainly on small fishes and partly on squids and shrimps (Ref. 1371). Marketed mostly fresh and frozen, also used for fishmeal and oil (Ref. 1371). Minimum depth reported taken from Ref. 1371.
Life cycle and mating behavior
Maturities | التكاثر | Spawnings | Egg(s) | Fecundities | Larvae
Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba, 1990. FAO species catalogue. Vol. 10. Gadiform fishes of the world (Order Gadiformes). An annotated and illustrated catalogue of cods, hakes, grenadiers and other gadiform fishes known to date. FAO Fish. Synop. 125(10). Rome: FAO. 442 p. (Ref. 1371)
IUCN Red List Status (Ref. 130435)
استخدامات بشرية
مصائد: غير مهمة تجارياً
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (Ref.
123201): 7.3 - 19.8, mean 14.2 °C (based on 93 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00447 (0.00243 - 0.00821), b=3.09 (2.93 - 3.25), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 4.5 ±0.63 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=0.39(?); assuming tm>=2).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (35 of 100).
Climate Vulnerability (Ref.
125649): High vulnerability (58 of 100).
Nutrients (Ref.
124155): Calcium = 11.3 [5.5, 40.8] mg/100g; Iron = 0.351 [0.069, 0.938] mg/100g; Protein = 17.3 [16.0, 18.5] %; Omega3 = 0.158 [0.081, 0.306] g/100g; Selenium = 28.7 [12.1, 62.7] μg/100g; VitaminA = 9.7 [1.9, 42.7] μg/100g; Zinc = 0.203 [0.137, 0.312] mg/100g (wet weight);
