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Scombriformes (Mackerels) >
Gempylidae (Snake mackerels)
Etymology: Lepidocybium: Greek, lepis = scale + Greek, kybion, -ou = tunna (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
экология
морской донно-пелагический; мигрирует в океане (Ref. 51243); пределы глубины 200 - 1100 m (Ref. 44037). Deep-water; 50°N - 56°S, 180°W - 180°E (Ref. 6181)
Tropical and temperate seas of the World, but probably not occurring in the northern Indian Ocean. Northwest Atlantic: Canada (Ref. 5951). Eastern Atlantic: known from 13°N off Guinea to Lobutu, Angola (Ref. 10816).
Size / Вес / Возраст
Maturity: Lm ? range ? - ? cm
Max length : 200 cm SL самец/пол неопределен; (Ref. 6181); common length : 150 cm SL самец/пол неопределен; (Ref. 6181); наибольший вес (опубликованные данные): 45.0 kg (Ref. 3403)
колючие лучи спинного плавника (общее число) : 8 - 9; членистые (мягкие) лучи спинного плавника (общее число) : 16 - 18; колючие лучи анального плавника: 1 - 2; членистые (мягкие) лучи анального плавника: 12 - 14; позвонки: 31. Body almost uniformly dark brown, becoming almost black with age. Pelvic fins well developed, with I spine and 5 soft rays (Ref. 9784). Prominent lateral keel on caudal peduncle, flanked by smaller accessory keels above and below (Ref. 26938).
Occurs mainly over the continental slope, down to 200 m and more (Ref. 6181). Migrates upward at night (Ref. 6181). Feeds on squid, crustaceans and a wide variety of fishes (Ref. 6181). Flesh oily and may have purgative properties (Ref. 9784). Sometimes caught by tuna long-liners (Ref. 26938). Marketed frozen and as fish cakes in Japan (Ref. 9302).
Life cycle and mating behavior
половая зрелость | размножение | нерест | икра | Fecundity | личинки
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)
Статус Красного Списка МСОП (Ref. 130435: Version 2024-2)
Угроза для людей
Harmless
Использование человеком
рыболовство: не имеет хозяйственного значения; объект спортивного рыболовства: да
дополнительная информация
инструменты
Специальные отчеты
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Estimates based on models
Preferred temperature (Ref.
123201): 7 - 14.4, mean 9.9 °C (based on 642 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01202 (0.00608 - 0.02377), b=2.98 (2.80 - 3.16), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trophic level (Ref.
69278): 4.3 ±0.67 se; based on food items.
устойчивость к внешним воздействиям (Ref.
120179): низкий, минимальное время удвоения популяции 4.5-14 лет (Assuming tm=4-5).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (90 of 100).
Climate Vulnerability (Ref.
125649): Moderate vulnerability (39 of 100).
Nutrients (Ref.
124155): Calcium = 7.33 [3.81, 15.92] mg/100g; Iron = 0.279 [0.128, 0.578] mg/100g; Protein = 17.1 [14.9, 19.0] %; Omega3 = 0.33 [0.19, 0.60] g/100g; Selenium = 29.2 [12.6, 64.6] μg/100g; VitaminA = 11.8 [2.8, 50.1] μg/100g; Zinc = 0.25 [0.17, 0.37] mg/100g (wet weight);
