分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Scombriformes (Mackerels)
鱸形目 (Mackerels) >
Gempylidae (Snake mackerels)
蛇鯖科 (Snake mackerels)
Etymology: Tongaichthys: From the Tonga island in the Pacific ocean + Greek, ichthys = fish.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 深海區的; 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 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 30.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 9784)
背棘 (總數) : 16 - 17; 背的軟條 (總數) : 14 - 17; 臀棘: 1; 臀鰭軟條: 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.
頭部相當大的。 在被增大的頰上的鱗片, 延長與些微部分重疊。 色彩是上方深褐色的, 些微腹面灰白。
Probably mesopelagic or mesobenthopelagic (Ref. 6181).
可能中層帶或中層大洋底棲性魚種。
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
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).
營養階層 (Ref.
69278): 3.9 ±0.6 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (Assuming tmax>3).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (27 of 100).
