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Perciformes/Notothenioidei (Icefishes) >
Nototheniidae (Cod icefishes) > Trematominae
Etymology: Trematomus: Greek, trematos = hole + Greek, tomo = section, cut (Ref. 45335); scotti: Named after Captain Robert Falcon Scott, leader of British National Antarctic Expedition (Ref. 11892).
More on author: Boulenger.
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
Ecologie
marien demersaal; diepte 20 - 793 m. Polar; 60°S - 78°S
Southern Ocean: South Shetland, South Orkney islands, Ross Sea, Breid Bay, Weddell Sea and Antarctic Peninsula (Ref. 11892).
Grootte / Gewicht / Leeftijd
Maturity: Lm ?  range ? - ? cm
Max length : 24.7 cm TL mannelijk / geslacht onbekend; (Ref. 124149); max. gepubliceerd gewicht: 124.60 g (Ref. 124149)
Adults feed primarily on polychaetes, euphausiids, amphipods, together with a lesser amount of isopods. Larval pelagic phase is long (Ref. 89434).
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 op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van geen belang
Tools
Speciale rapporten
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Estimates based on models
Preferred temperature (Ref.
123201): -1.8 - 0.9, mean -0.9 °C (based on 584 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00479 (0.00320 - 0.00715), b=3.19 (3.07 - 3.31), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.2 ±0.2 se; based on diet studies.
Generation time: 11.0 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Weerstandsvermogen (Ref.
120179): Zeer laag, minimale populatieverdubbelingstijd meer dan 14 jaar (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): High vulnerability (60 of 100).
Nutrients (Ref.
124155): Calcium = 39.9 [21.9, 100.2] mg/100g; Iron = 0.484 [0.206, 0.969] mg/100g; Protein = 17 [16, 18] %; Omega3 = 0.44 [0.23, 0.82] g/100g; Selenium = 13.6 [5.4, 30.8] μg/100g; VitaminA = 23.9 [5.1, 116.7] μg/100g; Zinc = 0.653 [0.422, 1.002] mg/100g (wet weight); based on
nutrient studies.