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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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Pseudocyttus maculatus
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Classification / Names Noms communs | Synonymes | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

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

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

; marin bathydmersal; ocanodrome (Ref. 51243); profondeur 400 - 1500 m (Ref. 5194), usually 900 - 1100 m (Ref. 36731).   Deep-water; 34°S - 67°S, 90°W - 176°W (Ref. 27159)

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | 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 / Taille / Poids / Âge

Maturity: Lm 40.0  range ? - 41 cm
Max length : 68.0 cm TL mâle / non sexé; (Ref. 58312); common length : 40.0 cm TL mâle / non sexé; (Ref. 9258); poids max. publié: 5.0 kg (Ref. 6390); âge max. reporté: 100 années (Ref. 27140)

Description synthétique Morphologie | Morphométrie

Épines dorsales (Total): 5 - 7; Rayons mous dorsaux (Total): 33-36; Épines anales 2-3; Rayons mous anaux: 31 - 34; Vertèbres: 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).

Biologie     Glossaire (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 Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

Displays seasonally synchronised reproduction (Ref. 6390).

Référence principale Upload your references | Références | Coordinateur : Heemstra, Phillip C. | Collaborateurs

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)

Statut dans la liste rouge de l'IUCN (Ref. 120744)

  Données manquantes (DD) ; Date assessed: 04 February 2009

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Harmless





Utilisations par l'homme

Pêcheries: commercial
FAO(pêcheries: production; publication : search) | FishSource | Sea Around Us

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Maturité
Frai
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Fécondité
Œufs
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Sources Internet

Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(génôme, nucléotide) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Bases de données nationales | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Arbre de Vie | Wikipedia(aller à, chercher) | 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).
Niveau trophique (Ref. 69278):  3.6   ±0.57 se; Based on food items.
Résilience (Ref. 69278):  Très faible, temps minimum de doublement de population supérieur à 14 ans (K=0.07; tmax=100; tm=31; Fec=6,000).
Vulnérabilité (Ref. 59153):  High to very high vulnerability (72 of 100) .
Catégorie de prix (Ref. 80766):   Medium.