Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina batypelagisk; havsvandrande (Ref. 51243); djupintervall 914 - 1646 m (Ref. 5951). Deep-water; 47°N - 35°S, 180°W - 180°E (Ref. 6181)
Atlantic, Indian and Pacific: in tropical and temperate waters.
The southernmost Indian Ocean occurrence (28°08'S, 49°06'E) was based on an unpublished record (R/V VITYAZ-II, station 2781).
Längd vid första mognad / Storlek / Vikt / Ålder
Könsmognad: Lm ?, range 15 - ? cm
Max length : 28.0 cm SL hane/ej könsbestämd; (Ref. 137577); common length : 15.0 cm SL hane/ej könsbestämd; (Ref. 6181)
Taggstrålar i ryggfenan (totalt) : 20 - 21; Mjukstrålar i ryggfenan (totalt) : 16 - 19; Taggstrålar i analfenan: 1; Mjukstrålar i analfenan: 15 - 19; Ryggkotor: 36 - 38. Body greatly elongated and compressed. Mouth large with fang-like teeth. Tips of both jaws with dermal processes. Color is blackish brown; dorsal and anal fins pale brown; buccal and branchial cavities and peritoneum black.
Body shape (shape guide): elongated; Cross section: compressed.
Oceanic, epipelagic to mesopelagic (Ref. 47377), migrating to the surface at night (Ref. 6181). Feeds on myctophids and other small fishes, squid and crustaceans (Ref. 6181). Matures at 15 cm SL (Ref. 36731).
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)
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: husbehovsfiske
Verktyg
Särskilda rapporter
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Uppskattningar baserade på modeller
Önskad temperatur (Ref.
123201): 3.4 - 7.6, mean 4.4 °C (based on 624 cells).
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00324 (0.00158 - 0.00663), b=3.09 (2.91 - 3.27), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trofisk nivå (Ref.
69278): 4.2 ±0.73 se; based on food items.
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Assuming tmax>3).
Sårbarhet i fisket (Ref.
59153): Low vulnerability (24 of 100).
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