>
Scombriformes (Mackerels) >
Gempylidae (Snake mackerels)
Etymology: Lepidocybium: Greek, lepis = scale + Greek, kybion, -ou = tunna (Ref. 45335).
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina bentopelagisk; havsvandrande (Ref. 51243); djupintervall 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).
Storlek / Vikt / Ålder
Könsmognad: Lm ? range ? - ? cm
Max length : 200 cm SL hane/ej könsbestämd; (Ref. 6181); common length : 150 cm SL hane/ej könsbestämd; (Ref. 6181); publicerad maxvikt: 45.0 kg (Ref. 3403)
Taggstrålar i ryggfenan (totalt) : 8 - 9; Mjukstrålar i ryggfenan (totalt) : 16 - 18; Taggstrålar i analfenan: 1 - 2; Mjukstrålar i analfenan: 12 - 14; Ryggkotor: 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).
Body shape (shape guide): fusiform / normal; Cross section: oval.
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).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
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)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: mindre kommeriell; sportfisk: ja
Verktyg
Särskilda rapporter
Ladda ner XML
Internet-källor
Uppskattningar baserade på modeller
Önskad temperatur (Ref.
123201): 7 - 14.4, mean 9.9 °C (based on 642 cells).
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01175 (0.00592 - 0.02333), b=2.98 (2.80 - 3.16), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trofisk nivå (Ref.
69278): 4.3 ±0.67 se; based on food items.
Resiliens (Ref.
120179): Låg, lägsta populationsfördubblingstid 4,5-14 år (Assuming tm=4-5).
Sårbarhet i fisket (Ref.
59153): Very high vulnerability (90 of 100).
🛈
Sårbarhet för klimatet (Ref.
125649): Moderate vulnerability (39 of 100).
🛈
Näringsämnen (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);
