Environment: milieu / climate zone / depth range / distribution range
Οικολογία
Θαλασσινό(ά) βενθοπελαγικό; εύρος βάθους 810 - 1022 m (Ref. 26165). Deep-water; 16°N - 12°S, 44°E - 60°E (Ref. 6181)
Western Indian Ocean: in tropical areas. Western Central Pacific: Southeast Asia. References to a catch from Walvis Ridge in the southeastern Atlantic are based on a single specimen from the collection of Pakhorukov that requires confirmation.
Μέγεθος / Βάρος / Age
Maturity: Lm ? range ? - ? cm
Max length : 100.0 cm SL αρσενικό/απροσδιόριστο; (Ref. 27121)
Ραχιαίες άκανθες (συνολικά) : 41 - 43; Μαλακές ραχιαίες ακτίνες (συνολικά) : 53 - 55; Εδρικές άκανθες: 2; Μαλακές εδρικές ακτίνες: 43 - 46; Σπόνδυλοι: 99 - 102. Pelvic fins represented by a single spine in juveniles inserted before the base of the pectoral fins, but entirely absent in adults. Body color is coppery black with iridescent tint. The inside of the mouth and gill cavities black.
Inhabits deeper waters of continental shelf and slope (Ref. 27121).
Life cycle and mating behavior
Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες
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: Version 2024-2)
Threat to humans
Harmless
Human uses
αλιεία:
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Preferred temperature (Ref.
123201): 1.8 - 3.2, mean 2.5 °C (based on 30 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00046 (0.00020 - 0.00105), b=3.12 (2.92 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Τροφικό Επίπεδο (Ref.
69278): 4.2 ±0.7 se; based on size and trophs of closest relatives
Ελαστικότητα (Ref.
120179): Χαμηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού 4,5 - 14 έτη (Assuming tmax>10).
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (73 of 100).
