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Scombriformes (Mackerels) >
Gempylidae (Snake mackerels)
Etymology: Thyrsitops: Greek, thyrsites, -ou = stalk of a plant, an ornament like a pine cone borne by Bacchus + Greek, ops = appearance (Ref. 45335).
More on author: Cuvier.
Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري قاعية التغذية و المعيشة; نطاق العمق 30 - 350 m (Ref. 36453). Subtropical; 15°S - 43°S, 77°W - 40°W (Ref. 6181)
Southwest Atlantic: off Rio de Janeiro (Ref. 47377), southern Brazil, Uruguay and Argentina. Southeast Pacific: off Chile.
Length at first maturity / الحجم / وزن / العمر
Maturity: Lm ?, range 25 - ? cm
Max length : 40.0 cm SL ذكر/ مختلط الجنس; (Ref. 6181); common length : 25.0 cm SL ذكر/ مختلط الجنس; (Ref. 6181)
الأشواك الظهرية (المجموع): 17 - 18; الأشعة الظهرية الناعمة (المجموع): 13-15; شوكة شرجية 1; أشعه شرجية لينه: 15 - 17; فقرات: 33. Lateral line single, slightly curving anteriorly, then fairly straight and oblique. Body is dark blue with metallic tint (Ref. 6181).
Mesobenthopelagic (Ref. 47377). Inhabits the continental slope (Ref. 6181). Feeds on small fishes (Ref. 6181) and euphausiids (Ref. 47377). Since 1980, no catches have been reported, except for 21 t caught in 1990 by Argentina (Ref. 6181). Good for smoked fish and fish and chips (Ref. 6181).
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
Nakamura, I. and N.V. Parin, 1993. FAO Species Catalogue. Vol. 15. Snake mackerels and cutlassfishes of the world (families Gempylidae and Trichiuridae). An annotated and illustrated catalogue of the snake mackerels, snoeks, escolars, gemfishes, sackfishes, domine, oilfish, cutlassfishes,. scabbardfishes, hairtails, and frostfishes known to date. FAO Fish. Synop. 125(15):136 p. (Ref. 6181)
IUCN Red List Status (Ref. 130435)
استخدامات بشرية
مصائد: غير مهمة تجارياً
مزيد من المعلومات
مراجعالأستزراع المائيملف الأستزراع المائيسلالاتجينيElectrophoresesالتوريثالأمراضمعالجةNutrientsMass conversion
المتعاونينصورStamps, Coins Misc.اصواتالتسمم باكل السمكسرعةنوع السباحةمنطقة الخياشيمعظمة الأذندماغرؤية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (Ref.
123201): 7.5 - 19.8, mean 15 °C (based on 72 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00708 (0.00392 - 0.01279), b=2.95 (2.79 - 3.11), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.9 ±0.63 se; based on food items.
Generation time: 3.1 ( 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 (Assuming tm=2-4).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (34 of 100).
Climate Vulnerability (Ref.
125649): Moderate vulnerability (44 of 100).
Nutrients (Ref.
124155): Calcium = 56.1 [28.8, 110.9] mg/100g; Iron = 0.937 [0.484, 1.779] mg/100g; Protein = 17.8 [15.7, 19.7] %; Omega3 = 0.418 [0.265, 0.639] g/100g; Selenium = 35.2 [19.6, 65.3] μg/100g; VitaminA = 29 [12, 80] μg/100g; Zinc = 0.69 [0.52, 0.94] mg/100g (wet weight);
