分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
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
生態學
海洋 底中水層性; 深度上下限 30 - 350 m (Ref. 36453). ; 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 / 大小 / 重量 / 年齡
Maturity: Lm ?, range 25 - ? cm
Max length : 40.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 6181); common length : 25.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 6181)
背棘 (總數): 17 - 18; 背的軟條 (總數): 13-15; 臀棘 1; 臀鰭軟條: 15 - 17; 脊椎骨: 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
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
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)
人類使用
漁業: 低經濟
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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).
營養階層 (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.
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (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);