Freshwater fish are swimming upstream in a battle against everything from climate change to increased fishing pressure as new roads reach remote lakes.  Our new story map, The Water We Share, explains how we are studying the major challenges facing fish in Ontario’s Far North, including how we are identifying which watersheds should be priorities for conservation in this vast and largely untouched region. One of the biggest challenges for understanding the more than 50 fish species that inhabit the lakes and mighty rivers of our Far North study area is a lack of scientific data for this very remote region.  That’s why we have developed innovative approaches, demonstrated in the story map, for projecting watershed changes and vulnerabilities.  Take a plunge into this fascinating – and ecologically important – underwater world.