Elvers, Karapiro spillway
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Elvers, Karapiro spillway
Once glass eels enter fresh water they become darker, and are known as elvers. They swim upriver to find a home in a river, stream, lake or pond. Waterfalls and rapids are no barrier – elvers have a remarkable climbing ability and can even ascend the walls of some hydroelectric dams. In many places ‘eel passes’ have been built to help them get through.
About this item
Department of Conservation
Reference: 10053119
Photograph by Theo Stephens
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