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Perciformes/Notothenioidei (Icefishes) >
Nototheniidae (Cod icefishes) > Trematominae
Etymology: Trematomus: Greek, trematos = hole + Greek, tomo = section, cut (Ref. 45335); tokarevi: Named after Dr. A.K. Tokarev, ichthyologist of the First Soviet Antarctic Expedition (Ref. 11892).
Eponymy: Dr Aleksey K Tokarev (1915–1957) served as ichthyologist on the First Soviet Antarctic Expedition. He died while returning from the Antarctic. (Ref. 128868), visit book page.
More on author: Andriashev.
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
Ecologia
marinhas batidemersal; intervalo de profundidade 200 - 700 m (Ref. 122792). Deep-water; 60°S - 70°S
Southern Ocean: Oates Land and Shackleton Ice Shelf in East Antarctic, and near the South Orkney and South Shetland Islands.
Tamanho / Peso / Idade
Maturity: Lm ? range ? - ? cm
Max length : 22.4 cm TL macho/indeterminado; (Ref. 5179)
Descrição breve
Chaves de identificação | Morfologia | Morfometria
Espinhos dorsais (total) : 4 - 6; Raios dorsais moles (total) : 35 - 37; Raios anais moles: 32 - 33; Vértebras: 51 - 53. Slender, deep bodied form. Light cinnamon brown with greenish hue above, light below. Body with spots and strands of grayish-brown.
A deep-water species, generally inhabiting deep waters and less frequently in shallow waters. Collected from flat bottom without big shelters, like rocky niches and seaweeds (Ref. 122792).
Life cycle and mating behavior
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
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)
Categoria na Lista Vermelha da IUCN (Ref. 130435: Version 2024-1)
Ameaça para o homem
Harmless
Utilização humana
Pescarias: sem interesse
Ferramentas
Relatórios especiais
Descarregue XML
Fontes da internet
Estimates based on models
Preferred temperature (Ref.
123201): -1.4 - 0.8, mean -0.4 °C (based on 100 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00537 (0.00279 - 0.01033), b=3.24 (3.08 - 3.40), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 3.2 ±0.41 se; based on food items.
Resiliência (Ref.
120179): Médio, tempo mínimo de duplicação da população 1,4 - 4,4 anos (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (12 of 100).
