Common names from other countries
>
Scombriformes (Mackerels) >
Gempylidae (Snake mackerels)
Etymology: Tongaichthys: From the Tonga island in the Pacific ocean + Greek, ichthys = fish.
Environment: milieu / climate zone / depth range / distribution range
Ecologia
marinhas batipelágico; intervalo de profundidade 288 - 312 m (Ref. 6181). Deep-water; 12°S - 27°S, 144°E - 174°W (Ref. 6181)
Pacific Ocean: Several specimens (38 individuals) were reported from the Tonga Ridge; around Fiji; 1 specimen from off Flinders Reef, Queensland (17°33'S, 149°46'E, CSIRO no. H1185-01).
Tamanho / Peso / Idade
Maturity: Lm ?  range ? - ? cm
Max length : 30.0 cm SL macho/indeterminado; (Ref. 9784)
Espinhos dorsais (total) : 16 - 17; Raios dorsais moles (total) : 14 - 17; Espinhos anais: 1; Raios anais moles: 14 - 16; Vértebras: 33. Head relatively large. Scales on cheeks enlarged, elongate and slightly overlapping. Color is dark brown above, slightly paler below.
Probably mesopelagic or mesobenthopelagic (Ref. 6181).
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)
CITES (Ref. 128078)
Not Evaluated
Ameaça para o homem
Harmless
Utilização humana
Ferramentas
Relatórios especiais
Descarregue XML
Fontes da internet
Estimates based on models
Preferred temperature (Ref.
115969): 4.6 - 9.4, mean 6.1 (based on 78 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01023 (0.00426 - 0.02456), b=3.00 (2.80 - 3.20), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 3.9 ±0.6 se; based on size and trophs of closest relatives
Resiliência (Ref.
120179): Médio, tempo mínimo de duplicação da população 1,4 - 4,4 anos (Assuming tmax>3).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (27 of 100).