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
Ekologi
laut batidemersal; kisaran kedalaman 0 - 1191 m (Ref. 45168), usually 65 - 832 m. Deep-water; 61°S - 78°S, 180°W - 180°E
Southern Ocean: coasts of Antarctic Peninsula, Queen Mary, Adelie, South Victoria Coasts, Davis, Ross and Weddell seas.
Size / Weight / umur
Maturity: Lm ? range ? - ? cm
Max length : 30.0 cm SL jantan/; (Ref. 5179); common length : 20.0 cm NG jantan/; (Ref. 45168); Berat maksimum terpublikasi: 357.40 g (Ref. 124149)
Duri punggung (Keseluruhan (total)) : 5 - 7; duri punggung lunak (Keseluruhan (total)) : 31 - 35; Sirip dubur lunak: 31 - 35. Body brownish, fins darker except first dorsal. With 4 or 5 irregular darker cross-bars, inside of mouth and branchial cavities blackish (Ref. 11892).
Found more commonly at depths greater than 300 m. Adults feed on amphipods (mainly Orchomene plebs), errant polychaetes, and in lesser amounts, fishes. Isopods and other crustaceans are probably included in the diet.
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)
Status IUCN Red List (Ref. 130435)
ancaman kepada manusia
Harmless
penggunaan manusia
Perikanan: tidak ada kepentingan
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimates based on models
Preferred temperature (Ref.
123201): -1.9 - 1.2, mean -0.9 °C (based on 2083 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 (0.00263 - 0.00691), b=3.25 (3.10 - 3.40), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.3 ±0.48 se; based on food items.
Daya lenting (Ref.
120179): sedang, Waktu penggandaan populasi minimum 1.4 - 4.4 tahun (Fec = 5,900).
Fishing Vulnerability (Ref.
59153): High vulnerability (61 of 100).
