分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
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
生态学
海洋 深海区的; 深度上下限 288 - 312 m (Ref. 6181). ; 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).
大小 / 重量 / 年龄
Maturity: Lm ?  range ? - ? cm
Max length : 30.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 9784)
背棘 (总数) : 16 - 17; 背的软条 (总数) : 14 - 17; 臀棘: 1; 臀鳍软条: 14 - 16; 脊椎骨: 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 | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
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)
人类利用
工具
特别资料
下载 XML
网络资源
Estimates based on models
Preferred temperature (Ref.
123201): 4.6 - 9.4, mean 6.1 °C (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).
营养阶层 (Ref.
69278): 3.9 ±0.6 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (Assuming tmax>3).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (27 of 100).