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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.
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).
Ambiente: milieu / zona climática / intervalo de profundidade / gama de distribuição
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
Maturidade: 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.
Body shape (shape guide): fusiform / normal.
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).
Ciclo de vida e comportamento de acasalamento
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 2025-2 (Global))
Ameaça para o homem
Harmless
Utilização humana
Pescarias: sem interesse
Ferramentas
Relatórios especiais
Descarregue XML
Fontes da internet
Estimativas baseadas em modelos
Índice de diversidade filogenética (Ref. 82804) |
PD50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00537 (0.00282 - 0.01024), b=3.24 (3.07 - 3.41), 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.). |
Vulnerabilidade da pesca (Ref. 59153) |
Moderate vulnerability (37 of 100). 🛈 |