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The cichlid Haplochromis thereuterion is endemic to Lake Victoria.. In 1927-1928 Michael Graham conducted the first ever systematic Fisheries Survey of Lake Victoria.The dominant species in the 1927–8 survey catches were two, now critically endangered tilapia species, the 'Ngege' or Singida tilapia (Oreochromis esculentus) and Victoria tilapia (O. variabilis).
Oreochromis variabilis, the Victoria tilapia, is a species of African cichlid native to Lake Victoria and its tributaries, Lake Kyoga, Lake Kwania, and Lake Bisina (Salisbury), as well as being found in the Victoria Nile above Murchison Falls. This species can reach a standard length of 30 cm (12 in). This species is important to local ...
Haplochromis greenwoodi is a species of cichlid endemic to Lake Victoria where they are found in the southeastern portion of the lake. Its preferred habitat consists of areas with rocky substrates. This species can reach a length of 13.5 centimetres (5.3 in) SL. [2] The specific name honours the British ichthyologist Humphry Greenwood (1927 ...
Lake Victoria formerly was very rich in fish, including many endemics, but a high percentage of these became extinct since the 1940s. [38] The main group in Lake Victoria is the haplochromine cichlids (Haplochromis sensu lato) with more than 500 species, almost all endemic, [22] [39] [40] and including an estimated 300 that still are ...
Synonyms. Pundamilia nyererei (Witte-Maas & Witte, 1985) Pundamilia nyerere ( lapsus) Haplochromis nyererei is a species of cichlid endemic to Lake Victoria in Africa. This species can reach a length of 7.7 centimetres (3.0 in) SL. [ 2] The specific name honours Julius Nyerere (1922–1999) who was President of Tanzania from 1961 to 1985.
Oreochromis esculentus. Oreochromis esculentus, the Singida tilapia or Graham's tilapia, is a species of cichlid endemic to the Lake Victoria basin, including some of its satellite lakes such as Kyoga, in Tanzania, Uganda, and Kenya. [1] Its common name refers to Lake Singida, but this population is the result of an introduction that happened ...
By around 1980, lake fisheries yielded only 1% cichlids, a drastic decline from 80% in earlier years. [98] By far the largest Lake Victoria group is the haplochromine cichlids, with more than 500 species, but at least 200 of these (about 40%) have become extinct, [99] [100] [101] and many others are seriously threatened. [102]
The haplochromine cichlids are a tribe of cichlids in subfamily Pseudocrenilabrinae called Haplochromini. This group includes the type genus Haplochromis plus a number of closely related genera such as Aulonocara, Astatotilapia, and Chilotilapia. They are endemic to eastern, southern and northern Africa, except for Astatotilapia flaviijosephi ...
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