分类 / 名称
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Teleostei >
Perciformes/Notothenioidei (Icefishes) >
Nototheniidae (Cod icefishes) > Trematominae
Etymology: Trematomus: Greek, trematos = hole + Greek, tomo = section, cut (Ref. 45335); pennellii: Species name pennellii honors Harry LL Pennell, captain of the ship Terra Nova of Scott's British Antarctic Expedition of 1910 (Ref. 45168).
Eponymy: Commander Harry Lewin Lee Pennell, R.N. (1882–1916) served (as Navigator, at the time he was a Lieutenant) on the ‘Terra Nova’, British Antarctic Expedition (1910–1913). He died during the Battle of Jutland. (Ref. 128868), visit book page.
More on author: Regan.
Taxonomic Remarks
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). The species Pseudotrematomus centronotus (Regan, 1914) is recognised as valid.
环境：氛围 / 气候带 / 深度上下限 / 分布范围
生态学
海洋 居于水底的; 深度上下限 0 - 732 m, usually 1 - 112 m (Ref. 11892). 極; 60°S - 78°S
Southern Ocean: Scotia Arc, South Orkney Islands, Davis and Ross seas.
南極海: 斯科舍島弧，奧克尼群島南方部島，戴維斯與羅斯海洋。
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 29.7 cm TL 雄鱼/尚未辨别雌雄; (Ref. 124149); 26.0 cm TL (female); 最大体重: 342.00 g (Ref. 124149); 最大体重: 342.00 g
背棘 (总数) : 4 - 6; 背的软条 (总数) : 32 - 35; 臀鳍软条: 29 - 31. Brownish with 2 or 3 large dark spots, part of spinous dorsal blackish (Ref. 11892).
Body shape (shape guide): fusiform / normal.
褐色的具有 2 或 3 大的深色斑点, 部份刺状的背部黑色的.(参考文献 11892)
Adults live on seafloor and spawns during summer (Ref. 45168). They feed primarily on errant polychaetes, with lesser amounts of amphipods, fish eggs and mollusks.
生活在海底而且产卵夏天时。 (参考文献 45168) 主要吃漂移的多毛类动物，以及少量的片脚类动物，鱼卵与软件动物。
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
南極海: 斯科舍島弧，奧克尼群島南方部島，戴維斯與羅斯海洋。
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 2025-2 (Global))
人类利用
渔业: 没有兴趣
工具
特别资料
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网络资源
基于模型的估算
首选温度 (参考文献
123201): -1.8 - -1.1, mean -1.7 °C (based on 740 cells).
系统发育多样性指数 (参考文献
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00550 (0.00367 - 0.00823), b=3.26 (3.14 - 3.38), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
营养阶层 (参考文献
69278): 3.3 ±0.2 se; based on diet studies.
回复力 (参考文献
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (Fec = 2,500-6,600).
渔业脆弱性 (Ref.
59153): High vulnerability (63 of 100).
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营养素 (Ref.
124155): Calcium = 27.8 [14.3, 75.3] mg/100g; Iron = 0.418 [0.183, 0.866] mg/100g; Protein = 17 [16, 18] %; Omega3 = 0.389 [0.199, 0.723] g/100g; Selenium = 14.2 [5.5, 40.4] μg/100g; VitaminA = 23.3 [4.5, 125.4] μg/100g; Zinc = 0.641 [0.397, 1.022] mg/100g (wet weight); based on
nutrient studies.
