The freshwater mullet (Pseudomyxus capensis) is a species of ray-finned fish in the family Mugilidae. It is endemic to South Africa.
| Freshwater mullet | |
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Mugiliformes |
| Family: | Mugilidae |
| Genus: | Pseudomyxus Durand, Chen, Shen, Fu & Borsa, 2012 |
| Species: | P. capensis
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| Binomial name | |
| Pseudomyxus capensis (Valenciennes, 1836)
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| Synonyms | |
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Distribution
editThe freshwater mullet is endemic to South Africa where is distribution extends from Kwazulu-Natal, the Eastern Cape to the Western Cape, from Kosi Bay to the Breede River drainage.[1]
Habitat and biology
editThis species is found in estuaries and the juveniles need freshwater reaches for growth and safety. The adults spawn at sea, after reaching sexual maturity in estuaries.[1] The juveniles move into the estuaries and up into rivers in the late southern winter or early spring and then stay there for seven years for females and four years for males. They feed on benthic algae and small invertebrates over muddy substrates.[2]
Conservation
editThe freshwater mullet's range and population have been impacted by the damming of streams and the introduction of alien fish.[1]
Taxonomy
editThe freshwater mullet was previously assigned to Myxus, but genetic studies in 2012 found it to be more closely related to the Fringelip mullet than to the Sand grey mullet, necessitating the erection of the monospecific genus Pseudomyxus for this species.[3][4]
References
edit- ^ a b c d Swartz, E.; Impson, D. & Cambray, J. (2007). "Myxus capensis". The IUCN Red List of Threatened Species. 2007. IUCN: e.T14264A4428878. doi:10.2305/IUCN.UK.2007.RLTS.T14264A4428878.en. Retrieved 27 December 2017.
- ^ Froese, Rainer; Pauly, Daniel (eds.). "Pseudomyxus capensis". FishBase. June 2018 version.
- ^ Durand, J.-D., Shen, K.-N., Chen, W.-J., Jamandre, B.-W., Blel, H., Diop, K., et al. 2012. Systematics of the grey mullets (Teleostei: Mugiliformes: Mugilidae): molecular phylogenetic evidence challenges two centuries of morphology-based taxonomy. Mol. Phylogenet. Evol. 64, 73–92. doi: 10.1016/j.ympev.2012.03.006
- ^ Durand, J.-D., W.-J. Chen, K.-N. Shen, C. Fu, & P. Borsa. 2012. Genus-level taxonomic changes implied b mitochondrial phylogeny of grey mullets (Teleostei: Mugilidae). Comptes Rendus Biologies, 335: 687-697.
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