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Polysteganus praeorbitalis (Günther, 1859)

Scotsman seabream
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Polysteganus praeorbitalis   AquaMaps   Data sources: GBIF OBIS
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Image of Polysteganus praeorbitalis (Scotsman seabream)
Polysteganus praeorbitalis
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Classificatie / Names Lokale namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

> Eupercaria/misc (Various families in series Eupercaria) > Sparidae (Porgies)
Etymology: Polysteganus: Greek, polys = a lot of + Greek, stego, stege = covered (Ref. 45335).
More on author: Günther.

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

marien rifbewoner; diepte 20 - 100 m (Ref. 3198). Subtropical; 17°S - 28°S

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Western Indian Ocean: known only from Beira, Mozambique to Algoa Bay, South Africa.

Grootte / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 90.0 cm TL mannelijk / geslacht onbekend; (Ref. 3198); common length : 35.0 cm TL mannelijk / geslacht onbekend; (Ref. 3507); max. gepubliceerd gewicht: 7.8 kg (Ref. 40637)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Dorsale stekels (totaal) : 12; Dorsale zachte stralen (totaal) : 10; Anale stekels: 3; Anale zachte stralen: 8. Small eye, deep preorbital, steep forehead (Ref. 3198).

Biologie     Verklarende woordenlijst (bv. epibenthic)

Occurs in deep offshore reefs ranging from 20 to 100 m. Feeds on large crabs, crayfish, a variety of reef fish and squid. Spawns in winter. Sold fresh (Ref. 3507).

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

Hoofdreferentie Upload your references | Referenties | Coördinator | Medewerkers

Smith, J.L.B. and M.M. Smith, 1986. Sparidae. p. 580-594. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 3198)

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

  Kwetsbaar, zie IUCN Rode Lijst (VU) (A2bd); Date assessed: 02 December 2008

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless





Gebruik door de mens

Visserij: commercieel
FAO - Publication: search | FishSource |

Meer informatie

Trophic ecology
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Internetbronnen

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Bekijk FishWatcher | CISTI | Catalog of Fishes: Genus, Soort(en) | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genoom, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: ga naar, zoek | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201): 23.5 - 26.3, mean 25.3 °C (based on 11 cells).
Fylogenetische diversiteitsindex (Ref. 82804):  PD50 = 0.5039   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01778 (0.00963 - 0.03285), b=3.03 (2.88 - 3.18), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trofisch niveau (Ref. 69278):  4.5   ±0.80 se; based on food items.
Weerstandsvermogen (Ref. 120179):  Zeer laag, minimale populatieverdubbelingstijd meer dan 14 jaar (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  High vulnerability (56 of 100).
Prijsklasse (Ref. 80766):   Very high.
Nutrients (Ref. 124155):  Calcium = 18 [8, 28] mg/100g; Iron = 0.516 [0.257, 1.003] mg/100g; Protein = 20.6 [19.5, 21.8] %; Omega3 = 0.224 [0.129, 0.400] g/100g; Selenium = 18.1 [8.4, 37.2] μg/100g; VitaminA = 63.5 [19.0, 207.2] μg/100g; Zinc = 0.509 [0.332, 0.761] mg/100g (wet weight);