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: 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 / depth range / distribution range
生态学
海洋 底中水层性; 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 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 38.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 6181)
背棘 (总数) : 19 - 20; 背的软条 (总数) : 15 - 18; 臀棘: 2; 臀鳍软条: 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.
胸鳍在小的标本中被呈现出一条硬棘或者完全地不存在于超过 25 公分 SL 的个体。 侧线在第一背鳍的这第 5 到第 6根棘下分枝。 上面的线达到第一背鳍小鳍的基底,下面的线侧面地跑替代人员。 大部分的身体是裸露的除了从尾梗向前延伸的一条鳞片的排列大矩形斑纹。 整体的色彩是浅灰褐色; 一个黑色的斑块在第一个与第三根背鳍棘之间的薄膜上。
Mesobenthopelagic (Ref. 58302). Matures at about 25 cm standard length (Ref. 6181).
在大约 25 公分标准长度时成熟。
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
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)
世界自然保护联盟红皮书 (Ref. 130435: Version 2024-1)
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Estimates based on models
Preferred temperature (Ref.
123201): 3.9 - 7.2, mean 6 °C (based on 147 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).
营养阶层 (Ref.
69278): 4.2 ±0.7 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 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (36 of 100).
![Image of Rexea nakamurai (Nakamura\](/images/thumbnails/gif/tn_Renak_u0.gif "Image of Rexea nakamurai (Nakamura\")