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Pseudocyttus maculatus Gilchrist, 1906

Smooth oreo dory
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Pseudocyttus maculatus   AquaMaps   Data sources: GBIF OBIS
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Image of Pseudocyttus maculatus (Smooth oreo dory)
Pseudocyttus maculatus
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Classification / Names Populärnamn | synonymer | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

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

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

; marina djupbottenlevande; havsvandrande (Ref. 51243); djupintervall 400 - 1500 m (Ref. 5194), usually 900 - 1100 m (Ref. 36731).   Deep-water; 34°S - 67°S, 90°W - 176°W (Ref. 27159)

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

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.

Length at first maturity / Size / Vikt / Age

Maturity: Lm 40.0  range ? - 41 cm
Max length : 68.0 cm TL hane/ej könsbestämd; (Ref. 58312); common length : 40.0 cm TL hane/ej könsbestämd; (Ref. 9258); publicerad maxvikt: 5.0 kg (Ref. 6390); rapporterad maxålder: 100 år (Ref. 27140)

Short description Morfologi | Morfometri

Taggstrålar i ryggfenan (totalt): 5 - 7; Mjukstrålar i ryggfenan (totalt): 33-36; Taggstrålar i analfenan 2-3; Mjukstrålar i analfenan: 31 - 34; Ryggkotor: 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).

Biologi     Ordlista (t.ex. epibenthic)

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).

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Displays seasonally synchronised reproduction (Ref. 6390).

Main reference Upload your references | referenser | Koordinator : Heemstra, Phillip C. | Medarbetare

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)

IUCN Red List Status (Ref. 120744)

  Data deficient (DD) ; Date assessed: 04 February 2009

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fiskeri: kommersiell
FAO(fiskeri: produktion; publication : search) | FishSource | Sea Around Us

Ytterligare information

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FAO områden
Ekosystem
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Utplanteringar
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Ekologi
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synonymer
Metabolik
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Könsmognad
Lek
Spawning aggregation
Fecundity
Ägg
Egg development
Age/Size
Tillväxt
Length-weight
Length-length
Length-frequencies
Morfometri
Morfologi
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Internet-källor

Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Nationella databaser | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Tree of Life | Wikipedia(Go, sök) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates of some properties based on models

Preferred temperature (Ref. 115969): 2.1 - 6.1, mean 4.2 (based on 189 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 1.0010   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01995 (0.00820 - 0.04854), b=2.99 (2.77 - 3.21), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trofisk nivå (Ref. 69278):  3.6   ±0.57 se; Based on food items.
Resiliens (Ref. 69278):  Mycket låg, lägsta populationsfördubblingstid mer än 14 år (K=0.07; tmax=100; tm=31; Fec=6,000).
Vulnerability (Ref. 59153):  High to very high vulnerability (72 of 100) .
Price category (Ref. 80766):   Medium.