分类 / Names
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Teleostei >
Perciformes/Notothenioidei (Icefishes) >
Nototheniidae (Cod icefishes) > Trematominae
Etymology: Trematomus: Greek, trematos = hole + Greek, tomo = section, cut (Ref. 45335); tokarevi: Named after Dr. A.K. Tokarev, ichthyologist of the First Soviet Antarctic Expedition (Ref. 11892).
Eponymy: Dr Aleksey K Tokarev (1915–1957) served as ichthyologist on the First Soviet Antarctic Expedition. He died while returning from the Antarctic. (Ref. 128868), visit book page.
More on author: Andriashev.
Issue
The genus Pseudotrematomus is a synonym of Trematomus, which is confirmed by a molecular study to be published (J.-C. Hureau, pers. comm. 08 Jun. 2010).
Environment: milieu / climate zone / 深度上下限 / distribution range
生态学
海洋 深海底的; 深度上下限 200 - 700 m (Ref. 122792). 深水域; 60°S - 70°S
Southern Ocean: Oates Land and Shackleton Ice Shelf in East Antarctic, and near the South Orkney and South Shetland Islands.
南極海: Oates 土地與 Shackleton 在東的南極圈冰凍大陸棚, 與在奧克尼群島南方部與雪特蘭群島南部的附近。
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 22.4 cm TL 雄鱼/尚未辨别雌雄; (Ref. 5179)
背棘 (总数) : 4 - 6; 背的软条 (总数) : 35 - 37; 臀鳍软条: 32 - 33; 脊椎骨: 51 - 53. Slender, deep bodied form. Light cinnamon brown with greenish hue above, light below. Body with spots and strands of grayish-brown.
Body shape (shape guide): fusiform / normal.
细长的, 深地身体了形式。 淡肉桂色的褐色有呈绿色的色上方, 腹面浅色的。 身体有斑点与滨浅灰褐色。
A deep-water species, generally inhabiting deep waters and less frequently in shallow waters. Collected from flat bottom without big shelters, like rocky niches and seaweeds (Ref. 122792).
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
南極海: Oates 土地與 Shackleton 在東的南極圈冰凍大陸棚, 與在奧克尼群島南方部與雪特蘭群島南部的附近。
Dewitt, H.H., P.C. Heemstra and O. Gon, 1990. Nototheniidae. p. 279-331. In O. Gon and P.C. Heemstra (eds.) Fishes of the Southern Ocean. J.L.B. Smith Institute of Ichthyology, Grahamstown, South Africa. (Ref. 5179)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-1)
人类利用
渔业: 没有兴趣
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Estimates based on models
Preferred temperature (参考文献
123201): -1.4 - 0.8, mean -0.4 °C (based on 100 cells).
Phylogenetic diversity index (参考文献
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00537 (0.00279 - 0.01033), b=3.24 (3.08 - 3.40), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
营养阶层 (参考文献
69278): 3.2 ±0.41 se; based on food items.
回复力 (参考文献
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): Low vulnerability (12 of 100).
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