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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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Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | 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 Ökologie

seewasser riff-verbunden; tiefenbereich 20 - 100 m (Ref. 3198). Subtropical; 17°S - 28°S

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

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

Size / Gewicht / Alter

Maturity: Lm ?  range ? - ? cm
Max length : 90.0 cm TL Männchen/unbestimmt; (Ref. 3198); common length : 35.0 cm TL Männchen/unbestimmt; (Ref. 3507); max. veröff. Gewicht: 7.8 kg (Ref. 40637)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt) : 12; Rückenflossenweichstrahlen (insgesamt) : 10; Afterflossenstacheln: 3; Afterflossenweichstrahlen: 8. Small eye, deep preorbital, steep forehead (Ref. 3198).

Biologie     Fachlexikon (Englisch) (z.B. 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).

Life cycle and mating behavior Maturities | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven

Hauptreferenz Upload your references | Referenzen | Koordinator | Partner

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)

IUCN Rote Liste Status (Ref. 130435)

  gefährdet, siehe IUCN Red List (VU) (A2bd); Date assessed: 02 December 2008

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Harmless





Nutzung durch Menschen

Fischereien: kommerziell
FAO - Publication: search | FishSource |

Mehr Information

Trophic ecology
Nahrungsorganismen
Diet compositions
Food consumptions
Food rations
Räuber
Ecology
Ökologie
Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
Längenhäufigkeiten
Mass conversions
Recruitments
Abundances
Life cycle
Fortpflanzung
Maturities
Fecundities
Spawnings
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Egg(s)
Egg developments
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Anatomy
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Physiology
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Visual pigment(s)
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Toxicities (LC50s)
Genetics
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Aquakultur Profile
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References
Referenzen

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Internet Quellen

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | FishWatcher Einträge suchen | CISTI | Catalog of Fishes: Gattung, Arten | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: Genom, 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: Gehe zu, Suchen | 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).
Phylogenetic diversity index (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).
Trophic level (Ref. 69278):  4.5   ±0.80 se; based on food items.
Widerstandsfähigkeit (Ref. 120179):  sehr niedrig, Verdopplung der Population dauert mehr als 14 Jahre. (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  High vulnerability (56 of 100).
Preiskategorie (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);