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: 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
生態學
海洋 底中水層性; 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 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 22.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 6181)
背棘 (總數): 19; 背的軟條 (總數): 14-15; 臀棘 2; 臀鰭軟條: 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.
身體中等細長與扁長形的。 二條側線, 在被銳利地下降到身體的腹輪廓,分開成一個短的前面分支與一個更長在後部的分支的第 6個到第一背鰭的第 7 棘之下的下面開始。 腹鰭呈現出在較小的標本中的 1根棘與 2個極小的軟鰭條了但是完全地不存在於在 10 公分 SL 上的標本。 體色是褐色的, 鰭透明的; 在二個前面的薄膜上末梢部地第一背鰭有一個黑色的斑塊。
Adults are probably benthopelagic from 400 to 470 m while juveniles are pelagic from 270 to 400 m depth.
成魚可能是來自 400 到 470 公尺的大洋底棲性魚種而稚魚從 270 到 400 公尺深是大洋性的。
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
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)
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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).
營養階層 (Ref.
69278): 3.8 ±0.5 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 vulnerability (17 of 100).
![Image of Rexichthys johnpaxtoni (Paxton\](/images/thumbnails/gif/tn_Rejoh_u0.gif "Image of Rexichthys johnpaxtoni (Paxton\")