Back Guinasmeer Afrikaans Guinassee German Lago Guinas Spanish Laku Guinas FF Lac Guinas French გინასი Georgian Guinasmeer Dutch 吉納斯湖 Chinese
| Lake Guinas | |
|---|---|
 | |
  Lake Guinas | |
| Coordinates | 19°13′59″S 17°21′10″E / 19.232918°S 17.352648°E |
| Basin countries | Namibia |
| Surface area | 0.66 ha (1.6 acres)[1] |
| Average depth | 105 m (344 ft) |
| Max. depth | 130 m (430 ft) |
| Water volume | 693,000 m3 (562 acre⋅ft) |
| Surface elevation | 1,250 m (4,100 ft) |
Lake Guinas is the larger of only two permanent natural lakes in Namibia. It is a sinkhole lake, created by a collapsing karst cave,[1] located thirty-eight kilometres west of Tsumeb, near the D3043 road.
Lake Guinas is home to Tilapia guinasana, a critically endangered species of cichlid fish, endemic to this lake, but at some stage introduced to Guinas' sister lake, Lake Otjikoto, as well as into a few farm dams nearby.[2] The claim that lake Guinas is indeed connected to lake Otjikoto by caves is frequently made but not proven as yet.[1]
The lake is situated on private farmland but can be visited with the permission of the owner. The lake and its underwater caverns were surveyed in 2019 by the Sunfish autonomous underwater vehicle.[3]
- ^ a b c Irish, John (1991). "Conservation aspects of karst waters in Namibia". Madoqua. 17 (2): 141–146.
- ^ Tilapia guinasana The IUCN Red List of Threatened Species: Tilapia guinasana
- ^ Vickie Siegel Presenting 2019 Expedition to Dragon's Breath Cave, Namibia - March 4, 2020, retrieved 2022-03-19
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