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Chelon richardsonii (Smith, 1846)

South African mullet
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Chelon richardsonii   AquaMaps   Data sources: GBIF OBIS
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Image of Chelon richardsonii (South African mullet)
Chelon richardsonii
Picture by SFSA


Namibia country information

Common names: Harder, Mullet, South African mullet
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: of no interest | Ref: Okeyo, D.O., 2005
Aquaculture: | Ref:
Regulations: | Ref:
Uses: gamefish: yes;
Comments: Ranges from the Kunene River southward (Ref. 4393). Known from Lower Orange (Ref. 33857). Caught with beach seines and other artisanal gear (Ref. 27121). Specimens held at the MFMR (Ref. 27121). Also Ref. 3573, 12484.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/wa.html
National Fisheries Authority: http://www.benefit.org.na/
Occurrences: Occurrences Point map
Main Ref: Bianchi, G., K.E. Carpenter, J.-P. Roux, F.J. Molloy, D. Boyer and H.J. Boyer, 1999
National Database:

Common names from other countries

Classificação / Names Nomes comuns | Sinónimos | Catalog of Fishes(Género, Espécies) | ITIS | CoL | WoRMS | Cloffa

> Mugiliformes (Mullets) > Mugilidae (Mullets)
Etymology: Chelon: Greek, chelone = turtle (Ref. 45335).

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

marinhas; Água doce; estuarina demersal; catádromo (Ref. 46888).   Subtropical; 16°S - 36°S

Distribuição Países | Áreas FAO | Ecossistemas | Ocorrências | Point map | Introduções | Faunafri

Southeast Atlantic: South African coastal waters from Walfish Bay to Natal.

Length at first maturity / Tamanho / Peso / Idade

Maturity: Lm 25.0  range ? - ? cm
Max length : 40.5 cm TL macho/indeterminado; (Ref. 3573); common length : 30.0 cm TL macho/indeterminado; (Ref. 2830)

Descrição breve Morfologia | Morfometria

Espinhos dorsais (total): 5; Raios dorsais moles (total): 8-9; Espinhos anais 3; Raios anais moles: 9

Biologia     Glossário (ex. epibenthic)

Found in coastal waters, mainly off rocky points and sandy beaches; may enter estuaries which serve as nursery areas (Ref. 27121). Feed mainly on diatoms and detritus, but also on planktonic crustaceans (Ref. 27121). Oviparous, eggs are pelagic and non-adhesive (Ref. 205). A primary target species of the inshore net fishery and much of it is sold salted and dried and known as 'bokkoms'. It is also an important exhibit species in public aquaria in South Africa. It is parasitised by the monogenean Gyrodactylus molweni on the external body surface (Ref. 124050).

Life cycle and mating behavior Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas

Referência principal Upload your references | Referências | Coordenador : Harrison, Ian | Colaboradores

Smith, M.M. and J.L.B. Smith, 1986. Mugilidae. p. 714-720. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 4393)

Categoria na Lista Vermelha da IUCN (Ref. 130435)


CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Ameaça para o homem

  Harmless




Utilização humana

Pescarias: espécies comerciais; Aquário: Aquários públicos
FAO(Publication : search) | FishSource |

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Estimates based on models

Preferred temperature (Ref. 115969): 14.8 - 27, mean 24.8 (based on 56 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5005   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01096 (0.00602 - 0.01998), b=2.95 (2.80 - 3.10), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Nível Trófico (Ref. 69278):  2.4   ±0.16 se; based on food items.
Resiliência (Ref. 120179):  Médio, tempo mínimo de duplicação da população 1,4 - 4,4 anos (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (31 of 100).
Categoria de preço (Ref. 80766):   Medium.