South Africa country information

Common names: Seventy-four, Vier-en-sewentig
Occurrence: native
Salinity: marine
Abundance: scarce (very unlikely) | Ref: Smith, J.L.B. and M.M. Smith, 1986
Importance: minor commercial | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: gamefish: yes;
Comments: Ranges from Natal to the Cape of Good Hope (Ref. 3198). Stock critical/severely depleted; highly esteemed by recreational and commercial line fisheries (Ref. 4332). Also Ref. 3507, 12484.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/sf.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Smith, J.L.B. and M.M. Smith, 1986
National Database:

Common names from other countries

Denté maculé, Dentón manchado, Seventy-four, ... more

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: Regan.

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

seewasser riff-verbunden; ozeanodrom (Ref. 51243); tiefenbereich 30 - ? m (Ref. 5213). Subtropical; 17°S - 30°S

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

Western Indian Ocean: southern Mozambique to Durban, South Africa.

Size / Gewicht / Alter

Maturity: L_m ? range ? - 35 cm
Max length : 120 cm TL Männchen/unbestimmt; (Ref. 3507); common length : 80.0 cm TL Männchen/unbestimmt; (Ref. 3507); max. veröff. Gewicht: 16.0 kg (Ref. 4699)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt) : 12; Rückenflossenweichstrahlen (insgesamt) : 10; Afterflossenstacheln: 3; Afterflossenweichstrahlen: 8 - 9.

Found over rocky reef and banks of deep waters. Carnivorous species which feeds mainly on fish and squid (Ref. 5213). An excellent food fish. Sold fresh.

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)

vom Aussterben bedroht (CR) (A2bcd); Date assessed: 01 December 2009

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

Fischereien: weniger kommerziell; Sportfisch: ja

FAO(Publication : search) | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.02455 (0.01209 - 0.04986), b=2.96 (2.79 - 3.13), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).

Trophic level (Ref. 69278): 4.1 ±0.60 se; based on food items.

Widerstandsfähigkeit (Ref. 120179): mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (K=0.18-0.28).

Fishing Vulnerability (Ref. 59153): High vulnerability (57 of 100).

Preiskategorie (Ref. 80766): Very high.

Polysteganus undulosus (Regan, 1908)