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Species in this genus, as well as those in several other oreochromine and tilapiine genera, share the common name "tilapia" and historically most were included in the genus Tilapia. [ 1 ] Oreochromis contains more than 30 species , and several undescribed forms exist.
Tilapia (/ t ɪ ˈ l ɑː p i ə / tih-LAH-pee-ə) is the common name for nearly a hundred species of cichlid fish from the coelotilapine, coptodonine, heterotilapine, oreochromine, pelmatolapiine, and tilapiine tribes (formerly all were "Tilapiini"), with the economically most important species placed in the Coptodonini and Oreochromini. [2]
The Nile tilapia (Oreochromis niloticus) is a species of tilapia, a cichlid fish native to parts of Africa and the Levant, particularly Israel and Lebanon. [2] Numerous introduced populations exist outside its natural range.
The blue tilapia (Oreochromis aureus) is a species of tilapia, a fish in the family Cichlidae. [2] Native to Northern and Western Africa, and the Middle East, through introductions it is now also established elsewhere, including parts of the United States, where it has been declared an invasive species and has caused significant environmental damage. [3]
This species constitutes about 4% of the total tilapia aquaculture production worldwide, but is more commonly hybridized with other tilapia species. [33] Tilapia are very susceptible to diseases such as whirling disease and ich. [26] Mozambique tilapia are resistant to wide varieties of water quality issues and pollution levels.
Oreochromis placidus Trewavas , 1941 The black tilapia ( Oreochromis placidus ) is a freshwater species of fish of the genus Oreochromis , found in the wide region of Southern Africa .
Oreochromis leucostictus (the blue-spotted tilapia) is a species of cichlid native to Albertine Rift Valley lakes and associated rivers in DR Congo and Uganda.It has now been introduced widely elsewhere East Africa, and is believed to have negative ecological impact, particularly on native tilapias.
Like other tilapia, it is an omnivore and will feed on algae, plants, small invertebrates, and detritus. The common name refers to the Wami River. Formerly considered a separate species, it is at present merged with the Rufigi tilapia and thus the scientific name is Oreochromis urolepis hornorum.