Updating names, distribution and ecology of riverine fish of Kenya in the Athi-Galana-Sabaki river drainage system
Few studies of the riverine fish of the Athi-Galana-Sabaki river drainage area in Kenya have been carried out since the last comprehensive surveys of the 1950s and early 1960s. This paper presents updated information on scientific and recommended common names, distribution and ecology of selected fish species of this catchment. At least 28 riverine fish families consisting of 46 genera and 62 species occur in the drainage system, of which, 39 species are strictly freshwater (4 introduced) while 23 species are of marine origin. Five unique behavioural categories of the riverine fish of the drainage system are discussed. The four most speciated riverine fish in the system belong to the families Cyprinidae (14 species), Cichlidae (6 species), and Mormyridae and Gobiidae (4 species each). Thirty fish species occur in areas below the River Tsavo-Athi confluence, 18 fish species above the confluence, while 12 fish species occupy the entire drainage system. One cichlid fish, Oreochromis spilurus spilurus (Gunther, 1894), only occurs in the Tsavo river, while the occurrence in the entire system of one snoutfish species, Mormyprops anguilloides (Linnaeus, 1758) is uncertain. The use of information from this study is recommended when carrying out further studies of fish from the Athi-Galana-Sabaki river drainage.
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Format: | article biblioteca |
Language: | English |
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1998
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Subjects: | Ecology, Fisheries, River fisheries, Freshwater fish, Taxonomy, Kenya, |
Online Access: | http://hdl.handle.net/1834/26009 |
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dig-aquadocs-1834-260092021-07-05T02:57:55Z Updating names, distribution and ecology of riverine fish of Kenya in the Athi-Galana-Sabaki river drainage system Okeyo, D.O. Ecology Fisheries River fisheries Freshwater fish Taxonomy Kenya Few studies of the riverine fish of the Athi-Galana-Sabaki river drainage area in Kenya have been carried out since the last comprehensive surveys of the 1950s and early 1960s. This paper presents updated information on scientific and recommended common names, distribution and ecology of selected fish species of this catchment. At least 28 riverine fish families consisting of 46 genera and 62 species occur in the drainage system, of which, 39 species are strictly freshwater (4 introduced) while 23 species are of marine origin. Five unique behavioural categories of the riverine fish of the drainage system are discussed. The four most speciated riverine fish in the system belong to the families Cyprinidae (14 species), Cichlidae (6 species), and Mormyridae and Gobiidae (4 species each). Thirty fish species occur in areas below the River Tsavo-Athi confluence, 18 fish species above the confluence, while 12 fish species occupy the entire drainage system. One cichlid fish, Oreochromis spilurus spilurus (Gunther, 1894), only occurs in the Tsavo river, while the occurrence in the entire system of one snoutfish species, Mormyprops anguilloides (Linnaeus, 1758) is uncertain. The use of information from this study is recommended when carrying out further studies of fish from the Athi-Galana-Sabaki river drainage. 2021-06-24T16:23:18Z 2021-06-24T16:23:18Z 1998 article 0116-290X http://hdl.handle.net/1834/26009 en http://www.worldfishcenter.org/Naga/na_2310.pdf application/pdf application/pdf 44-53 http://aquaticcommons.org/id/eprint/9399 115 2012-10-10 07:13:58 9399 WorldFish Center |
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Ecology Fisheries River fisheries Freshwater fish Taxonomy Kenya Ecology Fisheries River fisheries Freshwater fish Taxonomy Kenya Okeyo, D.O. Updating names, distribution and ecology of riverine fish of Kenya in the Athi-Galana-Sabaki river drainage system |
description |
Few studies of the riverine fish of the Athi-Galana-Sabaki river drainage area in Kenya have been carried out since the last comprehensive surveys of the 1950s and early 1960s. This paper presents updated information on scientific and recommended common names, distribution and ecology of selected fish species of this catchment. At least 28 riverine fish families consisting of 46 genera and 62 species occur in the drainage system, of which, 39 species are strictly freshwater (4 introduced) while 23 species are of marine origin. Five unique behavioural categories of the riverine fish of the drainage system are discussed. The four most speciated riverine fish in the system belong to the families Cyprinidae (14 species), Cichlidae (6 species), and Mormyridae and Gobiidae (4 species each). Thirty fish species occur in areas below the River Tsavo-Athi confluence, 18 fish species above the confluence, while 12 fish species occupy the entire drainage system. One cichlid fish, Oreochromis spilurus spilurus (Gunther, 1894), only occurs in the Tsavo river, while the occurrence in the entire system of one snoutfish species, Mormyprops anguilloides (Linnaeus, 1758) is uncertain. The use of information from this study is recommended when carrying out further studies of fish from the Athi-Galana-Sabaki river drainage. |
format |
article |
topic_facet |
Ecology Fisheries River fisheries Freshwater fish Taxonomy Kenya |
author |
Okeyo, D.O. |
author_facet |
Okeyo, D.O. |
author_sort |
Okeyo, D.O. |
title |
Updating names, distribution and ecology of riverine fish of Kenya in the Athi-Galana-Sabaki river drainage system |
title_short |
Updating names, distribution and ecology of riverine fish of Kenya in the Athi-Galana-Sabaki river drainage system |
title_full |
Updating names, distribution and ecology of riverine fish of Kenya in the Athi-Galana-Sabaki river drainage system |
title_fullStr |
Updating names, distribution and ecology of riverine fish of Kenya in the Athi-Galana-Sabaki river drainage system |
title_full_unstemmed |
Updating names, distribution and ecology of riverine fish of Kenya in the Athi-Galana-Sabaki river drainage system |
title_sort |
updating names, distribution and ecology of riverine fish of kenya in the athi-galana-sabaki river drainage system |
publishDate |
1998 |
url |
http://hdl.handle.net/1834/26009 |
work_keys_str_mv |
AT okeyodo updatingnamesdistributionandecologyofriverinefishofkenyaintheathigalanasabakiriverdrainagesystem |
_version_ |
1756078105886195712 |