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: Rexea: Latin, rex, rego = king.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 底中水層性; 深度上下限 230 - 920 m (Ref. 86942). 深水域; 13°S - 40°S, 143°E - 83°W (Ref. 6181)
Southeast Pacific: seamounts of Nazca and Sala y Gomez Ridges and at Easter Island. Southwest Pacific: Tasman Sea (from 23° to 37°S along east coast of Australia and on seamounts), and from southern Fiji.
東南太平洋: 納斯卡洋脊與 Sala y Gomez 洋脊的海洋山脊而在復活島。 西南太平洋: 塔斯曼海 (從 23個 ° 到 37個 °S 沿著澳洲東岸與在海洋山脊上), 與從斐濟南部。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 72.5 cm SL 雄魚/尚未辨別雌雄; (Ref. 6181)
背棘 (總數) : 19 - 20; 背的軟條 (總數) : 15 - 17; 臀棘: 2; 臀鰭軟條: 12 - 14; 脊椎骨: 34. Most of the body is naked except for the wedge-shaped stripe of squamation extending forward from the caudal peduncle along the horizontal part of the lower lateral line and a few scales along the posterior part of the upper lateral line. Pyloric caeca 8 to 10. Pelvic fins entirely absent at over 25 cm SL. Body color is grayish or brownish with metallic tint; fins blackish or gray.
大部分的身體是裸露的除了從尾梗向前延伸的鱗片的排列的楔形斑紋沿著下面側線的水平部份與一些鱗片沿著上面側線的較後面的部分。 幽門盲囊 8 到 10. 腹鰭完全地在超過 25 公分 SL 不存在。 體色對金屬的色彩感到淺灰色或褐色; 鰭黑色的或灰色。
Probably schooling, migrates to midwater at night. Feeds on fishes (myctophids, Maurolicus, eels, macrourids, carangids, emmelichthyids, etc.), prawn and squid; large prey items are swallowed in parts (Ref. 6202). Matures at about 25 cm standard length. No special fishery but appears as a bycatch of deep-water prawn trawl fishery in New South Wales, Australia.
可能群游性, 迴游到中層水域在晚上。 吃魚 (燈籠魚科魚類， Maurolicus ，鰻魚，鼠尾鱈，鰺，紅鰱魚, 等等。) ，蝦與烏賊; 大的獵物項目部份地被吞。 (參考文獻 6202) 在大約 25 公分標準長度時成熟。 沒有特別的漁場但是在澳洲新南威爾斯呈現一個深水域蝦拖網漁場的誤捕。
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
東南太平洋: 納斯卡洋脊與 Sala y Gomez 洋脊的海洋山脊而在復活島。 西南太平洋: 塔斯曼海 (從 23個 ° 到 37個 °S 沿著澳洲東岸與在海洋山脊上), 與從斐濟南部。
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)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
人類使用
漁業: 自給性漁業
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Estimates based on models
Preferred temperature (Ref.
123201): 12 - 20.8, mean 17.1 °C (based on 57 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00372 (0.00167 - 0.00826), b=3.10 (2.91 - 3.29), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 4.4 ±0.74 se; based on food items.
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): High vulnerability (55 of 100).
