Common names from other countries
分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Perciformes/Notothenioidei (Icefishes) >
Nototheniidae (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). ; 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.
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).
Adults feed on small fishes, krill and other euphausiids, polychaetes, copepods, amphipods, isopods and small gastropods. Mature individuals spawn once a year (Ref. 1071).
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)
CITES (Ref. 128078)
Not Evaluated
人類使用
漁業: 商業性
工具
特別的報告
下載 XML
網路資源
Estimates based on models
Preferred temperature (Ref.
115969): -1.8 - 0.5, mean -1.1 (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).
