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Perciformes/Notothenioidei (Icefishes) >
Nototheniidae (Cod icefishes) > Trematominae
Etymology: Trematomus: Greek, trematos = hole + Greek, tomo = section, cut (Ref. 45335); lepidorhinus: lepidorhinus from Greek, lepido means scale; rhinus means snout (Ref. 11892).
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 - 800 m. Deep-water; 60°S - 78°S, 180°W - 180°E
Southern Ocean: inner slope and continental shelf of Antarctica, except the Antarctic Peninsula. Two specimens are reported from South Orkney islands.
Tamanho / Peso / Idade
Maturidade: Lm ?  range ? - ? cm
Max length : 31.0 cm TL macho/indeterminado; (Ref. 5179); peso máx. Publicado: 276.30 g (Ref. 124149)
Espinhos dorsais (total) : 6 - 7; Raios dorsais moles (total) : 31 - 33; Raios anais moles: 34 - 36. Brownish with irregular indistinct darker crossbars, spinous dorsal blackish. Mouth and branchial cavities blackish (Ref. 11892).
Body shape (shape guide): fusiform / normal.
Adults feed on amphipods (mostly Themisto gaudichaudii), copepods, polychaetes, and mysids.
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=0.00427 (0.00283 - 0.00642), b=3.22 (3.09 - 3.35), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245). |
Nível Trófico (Ref. 69278) |
3.8 ±0.2 se; based on diet studies. |
Resiliência (Ref. 120179) |
Médio, tempo mínimo de duplicação da população 1,4 - 4,4 anos (Fec = 2,200). |
Vulnerabilidade da pesca (Ref. 59153) |
High vulnerability (62 of 100). 🛈 |
Nutrientes (Ref. 124155) |
Calcium = 24.9 [14.7, 63.2] mg/100g; Iron = 0.463 [0.191, 0.925] mg/100g; Protein = 17.2 [16.1, 18.3] %; Omega3 = 0.406 [0.222, 0.713] g/100g; Selenium = 14.9 [6.1, 36.2] μg/100g; VitaminA = 29.1 [6.2, 142.1] μg/100g; Zinc = 0.473 [0.306, 0.729] mg/100g (wet weight); based on nutrient studies. |