Actinopterygii (ray-finned fishes) >
Perciformes (Perch-likes) >
Nototheniidae (Cod icefishes)
Etymology: Trematomus: Greek, trematos = hole + Greek, tomo = section, cut (Ref. 45335). More on author: Regan.
Issue
This species is placed in the genus Pseudotrematomus in Eschmeyer (CofF ver. Sep. 2011: Ref. 88002).
Environment / Climate / Range
Ecology
Marine; bathydemersal; depth range 0 - 1191 m (Ref. 45168), usually 65 - 832 m. Deep-water, preferred ?; 61°S - 78°S
Southern Ocean: coasts of Antarctic Peninsula, Queen Mary, Adelie, South Victoria Coasts, Davis, Ross and Weddell seas.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 30.0 cm SL male/unsexed; (Ref. 5179); common length : 20.0 cm NG male/unsexed; (Ref. 45168)
Dorsal
spines
(total): 5 - 7;
Dorsal
soft rays
(total): 31-35;
Anal
soft rays: 31 - 35. Body brownish, fins darker except first dorsal. With 4 or 5 irregular darker cross-bars, inside of mouth and branchial cavities blackish (Ref. 11892).
Found more commonly at depths greater than 300 m. Adults feed on amphipods (mainly Orchomene plebs), errant polychaetes, and in lesser amounts, fishes. Isopods and other crustaceans are probably included in the diet.
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)
IUCN Red List Status (Ref. 115185)
CITES (Ref. 94142)
Not Evaluated
Threat to humans
Harmless
Human uses
Fisheries: of no interest
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