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.
Eponymy: Dr Izumi Nakamura (1939–2021) was a Japanese ichthyologist at the Kyoto University Aquatic Natural History Museum’s Maizuru Fisheries Research Station and an expert on billfishes. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / 深度上下限 / distribution range
生態學
海洋 底中水層性; 深度上下限 340 - 370 m (Ref. 6181). 深水域; 34°N - 18°S, 53°E - 154°W (Ref. 6181)
Indo-West Pacific: Nazareth Bank and off Sumatra in the Indian Ocean and Kyushu-Palau Ridge, Japan and off Oahu, Hawaii.
印度-西太平洋: 在印度洋與九州-帛琉海脊, 日本與外海的歐胡島，夏威夷的拿撒勒淺堆與外海的蘇門答臘。
大小 / 重量 / 年齡
成熟度: Lm ? range ? - ? cm
Max length : 38.0 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 - 18; 臀棘: 2; 臀鰭軟條: 12 - 13; 脊椎骨: 34. Pectoral fin is represented by a single spine in small specimens or entirely absent in individuals over 25 cm SL. Lateral line branching below the 5th to 6th spine of the first dorsal fin. The upper line reaches to the base of the first dorsal finlet, the lower line runs sub laterally. Most of the body is naked except for a large rectangular stripe of squamation extending forward from the caudal peduncle. Overall color is grayish brown; a black blotch is on membranes between the first and third dorsal-fin spine.
Body shape (shape guide): elongated; Cross section: compressed.
胸鰭在小的標本中被呈現出一條硬棘或者完全地不存在於超過 25 公分 SL 的個體。 側線在第一背鰭的這第 5 到第 6根棘下分枝。 上面的線達到第一背鰭小鰭的基底,下面的線側面地跑替代人員。 大部分的身體是裸露的除了從尾梗向前延伸的一條鱗片的排列大矩形斑紋。 整體的色彩是淺灰褐色; 一個黑色的斑塊在第一個與第三根背鰭棘之間的薄膜上。
Mesobenthopelagic (Ref. 58302). Matures at about 25 cm standard length (Ref. 6181).
在大約 25 公分標準長度時成熟。
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
印度-西太平洋: 在印度洋與九州-帛琉海脊, 日本與外海的歐胡島，夏威夷的拿撒勒淺堆與外海的蘇門答臘。
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 2025-1)
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Estimates based on models
Preferred temperature (參考文獻
123201): 3.9 - 7.2, mean 6 °C (based on 147 cells).
Phylogenetic diversity index (參考文獻
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 (參考文獻
69278): 4.2 ±0.7 se; based on size and trophs of closest relatives
回復力 (參考文獻
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): Moderate vulnerability (36 of 100).
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![Image of Rexea nakamurai (Nakamura\](/images/thumbnails/gif/tn_Renak_u0.gif "Image of Rexea nakamurai (Nakamura\")