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Perciformes/Notothenioidei (Icefishes) >
Nototheniidae (Cod icefishes) > Trematominae
Etymology: Trematomus: Greek, trematos = hole + Greek, tomo = section, cut (Ref. 45335); brachysoma: Named after a leopard seal Hydrurga leptonyx, phoke in Greek means seal (Ref. 11892).
Environment: milieu / climate zone / depth range / distribution range
Οικολογία
Θαλασσινό(ά); εύρος βάθους 0 - 429 m (Ref. 11892), usually 0 - 30 m. Polar; 61°S - 79°S
Southern Ocean: Ross Sea, Davis Sea, Wilhelm II Coast, north of Edward VII and west coast of Antarctic Peninsula.
Μέγεθος / Βάρος / Age
Maturity: Lm ? range ? - ? cm
Max length : 17.2 cm SL αρσενικό/απροσδιόριστο; (Ref. 11892)
Ραχιαίες άκανθες (συνολικά) : 4 - 5; Μαλακές ραχιαίες ακτίνες (συνολικά) : 29 - 32; Μαλακές εδρικές ακτίνες: 26 - 30. In life yellowish brown, iridescent blue dorsally; some specimens with patches of coral pink near the head (Ref. 5179). Six dark spots on back below the dorsal fins (Ref. 11892).
A cryopelagic species associated with the underside of ice. Feeds on copepods and euphausiids.
Life cycle and mating behavior
Maturities | Αναπαραγωγή | Spawnings | Egg(s) | Fecundities | Προνύμφες
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. 130435)
Threat to humans
Harmless
Human uses
αλιεία: χωρίς ενδιαφέρον
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Preferred temperature (Ref.
123201): -1.9 - -1.2, mean -1.8 °C (based on 236 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00537 (0.00280 - 0.01029), b=3.24 (3.07 - 3.41), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Τροφικό Επίπεδο (Ref.
69278): 3.1 ±0.28 se; based on food items.
Ελαστικότητα (Ref.
120179): Μεσαίο(α), ελάχιστος χρόνος για διπλασιασμό πληθυσμού 1,4 - 4,4 έτη (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (11 of 100).
Nutrients (Ref.
124155): Calcium = 45.5 [24.5, 107.4] mg/100g; Iron = 0.698 [0.307, 1.409] mg/100g; Protein = 17.2 [15.6, 18.7] %; Omega3 = 0.442 [0.234, 0.858] g/100g; Selenium = 10.1 [3.6, 23.3] μg/100g; VitaminA = 31.1 [6.5, 144.3] μg/100g; Zinc = 0.631 [0.419, 0.972] mg/100g (wet weight);
