Environment: milieu / climate zone / depth range / distribution range
Ecologia
marinhas bentopelágico; intervalo de profundidade 180 - 400 m (Ref. 6181). Deep-water; 20°S - 27°S, 90°W - 81°W (Ref. 6181)
Southeast Pacific: known only from seamounts of Nazca Submarine Ridge and adjacent parts of Sala y Gomez Ridge.
Tamanho / Peso / Idade
Maturity: Lm ? range ? - ? cm
Max length : 43.0 cm SL macho/indeterminado; (Ref. 6181); Idade máx. registada: 15 anos (Ref. 6204)
Espinhos dorsais (total) : 18; Raios dorsais moles (total) : 15 - 18; Espinhos anais: 2; Raios anais moles: 12 - 14; Vértebras: 34. Lateral line branching below the 5th to 7th spine of the first dorsal fin, usually ending below the third to the last spine of the first dorsal fin. The lower branch runs mid laterally, sometimes undulating on caudal peduncle. Body is entirely scaled at a length of over 20 cm SL. Pyloric caeca 7 or 8. Body color is brown with silvery tint; anterior 2 membranes of the first dorsal fin black, the rest of the fin black edged; the posterior part of the pectoral fin is black.
Feeds on squid and fish. Matures at about 25 cm.
Life cycle and mating behavior
Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas
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)
Categoria na Lista Vermelha da IUCN (Ref. 130435)
Ameaça para o homem
Harmless
Utilização humana
Ferramentas
Relatórios especiais
Descarregue XML
Fontes da internet
Estimates based on models
Preferred temperature (Ref.
123201): 10.6 - 11.1, mean 10.8 °C (based on 10 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00363 (0.00163 - 0.00807), b=3.10 (2.91 - 3.29), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 4.5 ±0.62 se; based on food items.
Resiliência (Ref.
120179): Baixo, tempo mínimo de duplicação da população 4,5 - 14 anos (tmax=15).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (41 of 100).
