分類 / Names
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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.
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). The species Pseudotrematomus centronotus (Regan, 1914) is recognised as valid.
Environment: milieu / climate zone / depth range / distribution range
生態学
海 底生の; 深さの範囲 0 - 732 m, usually 1 - 112 m (Ref. 11892). Polar; 60°S - 78°S
Southern Ocean: Scotia Arc, South Orkney Islands, Davis and Ross seas.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 29.7 cm TL オス/雌雄の選別がない; (Ref. 124149); 26.0 cm TL (female); 最大公表体重: 342.00 g (Ref. 124149); 最大公表体重: 342.00 g
簡単な記述
検索表 | 形態学 | 形態計測学
背面の脊椎 (合計) : 4 - 6; 背鰭 (合計) : 32 - 35; 臀鰭: 29 - 31. Brownish with 2 or 3 large dark spots, part of spinous dorsal blackish (Ref. 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.
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
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)
IUCNのレッドリストの状況は (Ref. 130435: Version 2024-1)
Human uses
水産業: 興味がない
用具
特記事項
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インターネットの情報源
Estimates based on models
Preferred temperature (Ref.
123201): -1.8 - -1.1, mean -1.7 °C (based on 740 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00550 (0.00369 - 0.00818), b=3.26 (3.14 - 3.38), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 3.3 ±0.2 se; based on diet studies.
回復力 (Ref.
120179): 手段, １．４年～４．４年の倍増期間の最小個体群 (Fec = 2,500-6,600).
Fishing Vulnerability (Ref.
59153): High vulnerability (63 of 100).
Nutrients (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.
