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

Classification / Names Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | 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 Écologie

marin récifal; océanodrome (Ref. 51243); profondeur 30 - ? m (Ref. 5213). Subtropical; 17°S - 30°S

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

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

Taille / Poids / Âge

Maturity: L_m ? range ? - 35 cm
Max length : 120 cm TL mâle / non sexé; (Ref. 3507); common length : 80.0 cm TL mâle / non sexé; (Ref. 3507); poids max. publié: 16.0 kg (Ref. 4699)

Description synthétique Clés d'identification | Morphologie | Morphométrie

Épines dorsales (Total) : 12; Rayons mous dorsaux (Total) : 10; Épines anales: 3; Rayons mous anaux: 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 | Reproduction | Spawnings | Egg(s) | Fecundities | Larves

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

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)

Statut dans la liste rouge de l'IUCN (Ref. 130435)

Niveau de menace critique (CR) (A2bcd); Date assessed: 01 December 2009

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

Harmless

Utilisations par l'homme

Pêcheries: intérêt commercial mineur; pêche sportive: oui

FAO(Publication : search) | FishSource |

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Sources Internet

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).

Niveau trophique (Ref. 69278): 4.1 ±0.60 se; based on food items.

Résilience (Ref. 120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (K=0.18-0.28).

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

Catégorie de prix (Ref. 80766): Very high.

Polysteganus undulosus (Regan, 1908)