NIWA freshwater scientists are pinning their hopes of solving an age-old mystery on 10 female longfin eels who are about to begin an epic journey to their spawning grounds somewhere in the Pacific Ocean.
As a young child growing up on an Irish farm, one of Eimear Egan’s chores was to regularly clean out the well from where her family drew its drinking water. In the well lived a large eel that, no matter how many times it was shifted, just kept coming back.
The hard concrete surfaces that characterise New Zealand towns and cities are barely likely to register as a problem with most people. But they're never far from the minds of our urban water researchers.