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: Rexichthys: Latin, rex, rego = king + Greek, ichthys = fish; johnpaxtoni: Named in honor of John R. Paxton, curator of the collection of fishes of the Australian Museum in Sydney (Ref. 44066).
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 底中水层性; 深度上下限 270 - 470 m (Ref. 9784). 深水域; 17°S - 35°S, 140°E - 170°W (Ref. 6181)
Western Pacific: eastern coast of Australia between 17°31'S and 32°34'S, and from New Caledonia.
西太平洋: 澳洲的東岸在 17 °之間 31'S 與 32 ° 34' S, 與從新加勒多尼亞。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 22.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 6181)
背棘 (总数): 19; 背的软条 (总数): 14-15; 臀棘 2; 臀鳍软条: 12 - 13; 脊椎骨: 34. Body moderately elongate and compressed. Two lateral lines, the lower originating below the 6th to the 7th spine of the first dorsal fin, descending sharply to ventral contour of body, dividing into a short anterior branch and a much longer posterior branch. The pelvic fin represented by 1 spine and 2 tiny soft rays in smaller specimens but entirely absent in specimens over 10 cm SL. Body color is brownish, fins hyaline; first dorsal fin with a black blotch distally on two anterior membranes.
身体中等细长与扁长形的。 二条侧线, 在被锐利地下降到身体的腹轮廓,分开成一个短的前面分支与一个更长在后部的分支的第 6个到第一背鳍的第 7 棘之下的下面开始。 腹鳍呈现出在较小的标本中的 1根棘与 2个极小的软鳍条了但是完全地不存在于在 10 公分 SL 上的标本。 体色是褐色的, 鳍透明的; 在二个前面的薄膜上末梢部地第一背鳍有一个黑色的斑块。
Adults are probably benthopelagic from 400 to 470 m while juveniles are pelagic from 270 to 400 m depth.
成鱼可能是来自 400 到 470 公尺的大洋底栖性鱼种而稚鱼从 270 到 400 公尺深是大洋性的。
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
西太平洋: 澳洲的東岸在 17 °之間 31'S 與 32 ° 34' S, 與從新加勒多尼亞。
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)
人类利用
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俗名同种异名新陈代谢捕食者生态毒物学繁殖成熟度产卵场产卵群集孕卵数卵卵的发育
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Estimates based on models
Preferred temperature (Ref.
123201): 13.8 - 17.6, mean 17.2 °C (based on 13 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00363 (0.00163 - 0.00807), 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): 3.8 ±0.5 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 vulnerability (17 of 100).
![Image of Rexichthys johnpaxtoni (Paxton\](/images/thumbnails/gif/tn_Rejoh_u0.gif "Image of Rexichthys johnpaxtoni (Paxton\")