分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Perciformes/Notothenioidei (Icefishes)
鱸形目 (Icefishes) >
Nototheniidae (Cod icefishes)
南極魚科 (Cod icefishes) > Trematominae
Etymology: Trematomus: Greek, trematos = hole + Greek, tomo = section, cut (Ref. 45335); hansoni: Species name hansoni honors Nicolai Hanson, biologist of the Southern Cross Expedition..
More on author: Boulenger.
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 / depth range / distribution range
生態學
海洋 居於水底的; 深度上下限 6 - 549 m (Ref. 11892). 極; 53°S - 78°S
Southern Ocean: South Orkneys, South Georgia and South Shetland islands. Ross, Davis and Weddell seas, South Victoria, Adelie, Queen Mary and Princess Ragnhild Coasts.
南極海: 奧克尼群島南方部，南喬治亞州與雪特蘭群島南部。 羅斯，戴維斯與威德爾海, 南方維多利亞， Adelie ，瑪麗皇后與公主 Ragnhild 海岸。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 45.5 cm TL 雄魚/尚未辨別雌雄; (Ref. 58849); common length : 25.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 2121)
背棘 (總數): 5 - 8; 背的軟條 (總數): 36-41; 臀鰭軟條: 33 - 37. Body brownish, large dark spots or cross bars on body. Head often spotted, fins barred with series of dark spots (Ref. 11892).
身體褐色的, 在身體上的大的深色斑點或交叉的橫帶。 頭部時常有斑點的, 條紋的鰭有成列的深色斑點.(參考文獻 11892)
Adults feed on small fishes, krill and other euphausiids, polychaetes, copepods, amphipods, isopods and small gastropods. Mature individuals spawn once a year (Ref. 1071).
吃小魚，磷蝦與其他的磷蝦，多毛類動物，橈腳類的動物，片腳類動物, 等足目動物與小的腹足動物。
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
南極海: 奧克尼群島南方部，南喬治亞州與雪特蘭群島南部。 羅斯，戴維斯與威德爾海, 南方維多利亞， Adelie ，瑪麗皇后與公主 Ragnhild 海岸。
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)
人類使用
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合作者照片Stamps, Coins Misc.聲音神經毒速度泳型鰓區Otoliths腦重體重比眼睛色素
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Estimates based on models
Preferred temperature (Ref.
123201): -1.8 - 0.5, mean -1.1 °C (based on 348 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00427 (0.00275 - 0.00661), b=3.29 (3.16 - 3.42), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.4 ±0.54 se; based on food items.
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (K=0.22-0.23; Fec = 5,851-12,000).
Fishing Vulnerability (Ref.
59153): High vulnerability (55 of 100).
Climate Vulnerability (Ref.
125649): High vulnerability (57 of 100).
Nutrients (Ref.
124155): Calcium = 22.8 [13.3, 57.4] mg/100g; Iron = 0.459 [0.186, 0.931] mg/100g; Protein = 17.1 [16.1, 18.2] %; Omega3 = 0.352 [0.194, 0.626] g/100g; Selenium = 15.5 [6.3, 37.8] μg/100g; VitaminA = 23 [5, 116] μg/100g; Zinc = 0.487 [0.313, 0.759] mg/100g (wet weight); based on
nutrient studies. 
