How do you stop a few specific species from entering a river while maintaining access for all the others? FishPass aims to do ...

Jill Heinerth explores what can we learn from the lifecycle of freshwater mussels If 2020 taught us anything, it is a new awareness of global interconnectivity. In the past year, a practically ...

Westmeath — Residents of the Ottawa Valley, as well as visitors, appreciate the majestic Ottawa River as a large component of what makes the area special. But the beauty of the almost 1,300 km ...

A toxic spill is the most likely cause behind the discovery of hundreds of dead fish in the Ottawa River earlier this month, necropsies suggest.

Once an abundant species in the Ottawa River, making up 50 per cent of the fish biomass, the American eel population has dropped drastically. News of the catch pleased researchers.

Relations among the governments that jointly oversee the Ottawa River are so distant that Environment Canada has to file access to information requests to get scientific data from Quebec. The ...