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Perciformes/Notothenioidei (Icefishes) >
Nototheniidae (Cod icefishes) > Trematominae
Etymology: Trematomus: Greek, trematos = hole + Greek, tomo = section, cut (Ref. 45335); nicolai: Named after Nicolai Hanson, biologist and collector of Southern Cross fishes, died at Cape Adare during the expedition (Ref. 11892).
Eponymy: Nicolai Hanson (1870–1899) was a Norwegian zoologist and Antarctic explorer. (See Hanson) (Ref. 128868), visit book page.
More on author: Boulenger.
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).
Lingkungan: lingkungan / zona iklim / kisaran kedalaman / jangkauan distribusi
Ekologi
laut dasar (demersal); kisaran kedalaman 1 - 420 m (Ref. 11892). Polar; 65°S - 78°S
Southern Ocean: East Antarctica (some localities), but not from the Peninsula region and westward to the Ross Sea. Coasts of Adelie Land, Davis, Weddell, South Shetland and South Orkney Islands.
Ukuran / Berat / umur
Kematangan: Lm ?  range ? - ? cm
Max length : 36.0 cm TL jantan/; (Ref. 5179); Berat maksimum terpublikasi: 0.00 g
Duri punggung (Keseluruhan (total)) : 4 - 5; Sirip dubur lunak: 31 - 35. Body brownish, more or less distinct dark crossbars, scattered small dark spots, fins dusky, spiny dorsal blackish (Ref. 11892).
Body shape (shape guide): fusiform / normal.
A nearshore benthic species usually abundant in shelf waters of East Antartica (Ref. 122792). Adults feed primarily on amphipods, other fishes, and molluscan larvae, with lesser amount of polychaetes and mysids. They capture some prey in the water column, but are not cryopelagic.
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: Version 2025-2 (Global))
ancaman kepada manusia
Harmless
penggunaan manusia
Perikanan: tidak ada kepentingan
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimasi berdasarkan model
Indeks keanekaragaman filogenetik (Acuan 82804) |
PD50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high]. |
|
Bayesian length-weight
|
a=0.00631 (0.00420 - 0.00948), b=3.21 (3.08 - 3.34), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245). |
Tingkat Trofik (Acuan 69278) |
3.6 ±0.53 se; based on food items. |
|
Generation time |
13.7 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies. |
Daya lenting (Acuan 120179) |
sedang, Waktu penggandaan populasi minimum 1.4 - 4.4 tahun (Fec = 8,900). |
Kerentanan Penangkapan Ikan (Ref. 59153) |
Moderate to high vulnerability (51 of 100). 🛈 |