Common names from other countries

Arrose lisse, Псевдоцит пятнистый, Smooth oreodory, ... more

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> Zeiformes (Dories) > Oreosomatidae (Oreos) > Pseudocyttinae
Etymology: Pseudocyttus: Greek, pseudes = false + Greek, kyttaros, kytos = a convex cavity.

Environment: milieu / climate zone / depth range / distribution range Ecologie

marien bathydemersaal; oceanodroom (Ref. 51243); diepte 400 - 1500 m (Ref. 5194), usually 900 - 1100 m (Ref. 36731). Deep-water; 34°S - 67°S, 90°W - 176°W (Ref. 27159)

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Southwest Atlantic: off Uruguay to Argentina and the Falklands. Southeast Atlantic: Namibia to South Africa, including the northern part of Walvis Ridge (Ref. 6545). South Pacific: off southern Chile, Bellingshausen and Australian-Antarctic Basin to New Zealand, New South Wales and Tasmania, Australia and the Kerguelen Islands.

Lengte bij maturiteit / Grootte / Gewicht / Leeftijd

Maturity: L_m 40.0 range ? - 41 cm
Max length : 68.0 cm TL mannelijk / geslacht onbekend; (Ref. 58312); common length : 40.0 cm TL mannelijk / geslacht onbekend; (Ref. 9258); max. gepubliceerd gewicht: 5.0 kg (Ref. 6390); max. gerapporteerde leeftijd: 100 Jaren (Ref. 27140)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Dorsale stekels (totaal) : 5 - 7; Dorsale zachte stralen (totaal) : 33 - 36; Anale stekels: 2 - 3; Anale zachte stralen: 31 - 34; Wervels: 40 - 43. First dorsal spine longer than second dorsal spine. Opercles fully scaled (Ref. 27159). Female adult chocolate brown in color with darker fins; prejuveniles silvery with numerous dark spots of various sizes which become larger with age (Ref. 6548).

Inhabit continental slopes of all southern continents (Ref. 6545). Adults found near the bottom; juveniles near the surface, usually in association with krill (Ref. 5194). Feed mainly on salps (Ref. 27150). Eggs float near the sea surface and larvae also inhabit surface waters (Ref. 6390). There is no vertical migration during the day or night (Ref. 27150).

Levenscyclus en paargedrag Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven

Displays seasonally synchronised reproduction (Ref. 6390).

Hoofdreferentie Upload your references | Referenties | Coördinator : Heemstra, Phillip C. | Medewerkers

Heemstra, P.C., 1990. Oreosomatidae. p. 226-228. In O. Gon and P.C. Heemstra (eds.) Fishes of the Southern Ocean. J.L.B. Smith Institute of Ichthyology, Grahamstown, South Africa. (Ref. 5194)

Status op de Rode Lijst van het IUCN (Ref. 130435)

Onvoldoende gegevens (DD) ; Date assessed: 04 February 2009

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless

Gebruik door de mens

Visserij: commercieel

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Estimates based on models

Preferred temperature (Ref. 115969): 2.1 - 6.1, mean 4.2 (based on 189 cells).

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = 1.0010 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01995 (0.00816 - 0.04876), b=3.00 (2.79 - 3.21), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trofisch niveau (Ref. 69278): 3.6 ±0.47 se; based on food items.

Weerstandsvermogen (Ref. 120179): Zeer laag, minimale populatieverdubbelingstijd meer dan 14 jaar (K=0.07; tmax=100; tm=31; Fec=6,000).

Fishing Vulnerability (Ref. 59153): High to very high vulnerability (72 of 100).

Climate Vulnerability (Ref. 125649): Moderate vulnerability (39 of 100).

Prijsklasse (Ref. 80766): Medium.

Pseudocyttus maculatus Gilchrist, 1906