Search results
Results from the WOW.Com Content Network
In terms of volume, Lake Victoria is the world's ninth-largest continental lake, containing about 2,424 km 3 (1.965 × 10 9 acre⋅ft) of water. [7] [10] Lake Victoria occupies a shallow depression in Africa. The lake has an average depth of 40 m (130 ft) and a maximum depth of 80–81 m (262–266 ft).
History. 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 ...
The Nile perch is a fish of substantial economic and food-security importance in East Africa. [2] Originally described as Labrus niloticus, among the marine wrasses, the species has also been referred to as Centropomus niloticus. Common names include African snook, Victoria perch (a misleading trade name, as the species is not native to Lake ...
Water hyacinth in Lake Victoria. Hyacinth-choked lakeshore in 2001 at Ndere Island, Lake Victoria, Kenya. Boat trapped by hyacinth (2017) Water hyacinth has become a major invasive plant species in Lake Victoria and while it is native to the continent of South America, human activity has introduced the greenery to Lake Victoria, where it is ...
Fisheries Survey of Lake Victoria. The and a canoe at Port Victoria during the 1927 fisheries survey of Lake Victoria. Lake Victoria supports Africa 's largest inland fishery, with the majority of present catch being the invasive Nile perch, introduced to the Lake in the 1950s. [1] Prior to the introduction of Nile perch as well as Nile tilapia ...
Oreochromis 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).
Pontederia crassipes (formerly Eichhornia crassipes ), commonly known as common water hyacinth, is an aquatic plant native to South America, naturalized throughout the world, and often invasive outside its native range. [1] [2] [3] It is the sole species of the subgenus Oshunae within the genus Pontederia. [4]
Lake Tanganyika is situated within the Albertine Rift, the western branch of the East African Rift, and is confined by the mountainous walls of the valley. It is the largest rift lake in Africa and the second-largest lake by volume in the world. It is the deepest lake in Africa and holds the greatest volume of fresh water on the continent ...