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Gadiformes (Cods) >
Gadidae (Cods and haddocks)
Etymology: Trisopterus: Greek, tris = thrice + Greek, pteron = wing, fin (Ref. 45335).
More on author: Linnaeus.
Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري; مياه مخلوطة قاعية التغذية و المعيشة; محيطية (Ref. 51243); نطاق العمق 30 - 100 m (Ref. 3663). Temperate; 62°N - 25°N, 19°W - 16°E
Northeastern Atlantic: from Norway to Morocco incl. British Isles and offshore islands, and Skagerrak, and in the western Mediterranean Ref. 1371, 90172).
Length at first maturity / الحجم / وزن / العمر
Maturity: Lm 22.1, range 21 - 25 cm
Max length : 46.0 cm TL ذكر/ مختلط الجنس; (Ref. 7034); common length : 30.0 cm TL ذكر/ مختلط الجنس; (Ref. 1371); العمر: 4 سنين (Ref. 1371)
الأشواك الظهرية (المجموع): 0; شوكة شرجية 0. Chin barbel well developed. Pelvic fins with slightly elongated anterior rays. Body light brown dorsally, relatively tall, grayish on the sides becoming silvery ventrally, with four or five broad indistinct transverse bars on the sides; a dark blotch at the upper edge of the pectoral-fin base (Ref. 1371). Eye diameter as snout length. Anus lies below the middle of the first dorsal fin (Ref. 35388).
Gregarious fish; immature ones often occur in large schools. Lives mostly on the outer shelf, but moves inshore to depths of 50 m or less for spawning. Feeds on benthic crustaceans but also on small fish, mollusks and polychaetes (Ref. 3663). Caught as a bycatch, used as food fish (Ref. 35388).
Oviparous, sexes are separate (Ref. 205).
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: تجاري; حوض مائي: احواض مائية عامة
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): 7.1 - 12.8, mean 9.6 °C (based on 168 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00741 (0.00638 - 0.00861), b=3.10 (3.06 - 3.14), in cm total length, based on LWR estimates for this species (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.7 ±0.1 se; based on diet studies.
المرونه (Ref.
120179): وسيط, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 1.4-4.4 سنة (K=0.2-0.4; tm=1-2; tmax=4; Fec=200,000).
Prior r = 0.32, 95% CL = 0.21 - 0.48, Based on 1 stock assessment.
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (26 of 100).
Climate Vulnerability (Ref.
125649): Low to moderate vulnerability (34 of 100).
Nutrients (Ref.
124155): Calcium = 69.1 [17.6, 230.8] mg/100g; Iron = 0.679 [0.148, 3.039] mg/100g; Protein = 18.8 [16.2, 20.9] %; Omega3 = 0.649 [0.318, 1.346] g/100g; Selenium = 14.4 [6.8, 30.3] μg/100g; VitaminA = 13.5 [3.5, 52.7] μg/100g; Zinc = 1.29 [0.32, 3.68] mg/100g (wet weight); based on
nutrient studies.
