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). 深水域; 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).
太平洋: 一些標本 (38個個體) 被記錄自東加脊; 斐濟的周圍; 來自外海的破片礁，昆士蘭省的 1件標本.(17 ° 33'S,149 ° 46' E, CSIRO H1185-01 號)
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.
头部相当大的。 在被增大的颊上的鳞片, 延长与些微部分重叠。 色彩是上方深褐色的, 些微腹面灰白。
Probably mesopelagic or mesobenthopelagic (Ref. 6181).
可能中层带或中层大洋底栖性鱼种。
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
太平洋: 一些標本 (38個個體) 被記錄自東加脊; 斐濟的周圍; 來自外海的破片礁，昆士蘭省的 1件標本.(17 ° 33'S,149 ° 46' E, CSIRO H1185-01 號)
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)
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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).
