South Africa country information

Common names: Galjoen, Galjoen
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: subsistence fisheries | Ref: van der Elst, R., 1993
Aquaculture: | Ref:
Regulations: protected | Ref: van der Elst, R., 1993
Uses: gamefish: yes;
Comments: South Africa's national fish. Occurs from the west coast to Sodwana Bay. Stock sound but vulnerable; stabilized since decommercialization (Ref. 4332). Specific catch restrictions: closed season applies; not to be sold; minimum legal size: 35 cm TL (Ref. 12484). Angling record: 6.5 kg; spearfishing record 5.2 kg (Ref. 12484). Also Ref. 5213.
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, M.M., 1986
National Database:

Common names from other countries

Galjoin franc, Damba, 大眼双帆鲈, ... more

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

> Centrarchiformes (Basses) > Dichistiidae (Galjoen fishes)
Etymology: Dichistius: Greek, dichao, dichasis = divided in two parts (Ref. 45335).
More on author: Cuvier.

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

seewasser riff-verbunden; tiefenbereich 10 - ? m (Ref. 5213). Subtropical; 12°S - 36°S, 10°E - 34°E

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

Southeast Atlantic to southwestern Indian Ocean: southern Angola to Natal, South Africa.

Length at first maturity / Size / Gewicht / Alter

Maturity: L_m 34.0 range ? - ? cm
Max length : 80.0 cm TL Männchen/unbestimmt; (Ref. 4370); max. veröff. Gewicht: 6.5 kg (Ref. 4370)

Kurzbeschreibung Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt): 10; Rückenflossenweichstrahlen (insgesamt): 18-19; Afterflossenstacheln 3; Afterflossenweichstrahlen: 13 - 14. Changes from black to silver almost instantly to blend with environment; occasionally mottled or with 7-9 crossbars (Ref. 4370).

Found in inshore reefs, rocky and sandy areas. Feeds on mollusks, crustaceans, and other invertebrates (Ref. 5213). Abundant in winter, breeding occurs in deeper water. Becoming scarce because of overfishing (Ref. 36731).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

Hauptreferenz Upload your references | Referenzen | Koordinator | Partner

Smith, M.M., 1986. Coracinidae. p. 601-602. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 4370)

IUCN Rote Liste Status (Ref. 130435)

Nicht untersucht

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

Fischereien: kommerziell; Sportfisch: ja

FAO(Publication : search) | FishSource |

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Estimates based on models

Preferred temperature (Ref. 115969): 14.4 - 24.7, mean 16.7 (based on 20 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01622 (0.00664 - 0.03964), b=3.01 (2.79 - 3.23), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).

Trophic level (Ref. 69278): 3.3 ±0.45 se; based on food items.

Widerstandsfähigkeit (Ref. 120179): niedrig, Verdopplung der Population dauert 4,5 - 14 Jahre. (K=0.13).

Fishing Vulnerability (Ref. 59153): High vulnerability (60 of 100).

Preiskategorie (Ref. 80766): Unknown.

Dichistius capensis (Cuvier, 1831)