Columnaris disease is reasonably easy to spot because one of the main symptoms is distinctive lesions and patches on a fish’s skin. Infected fish will also show signs of illness, such as loss of ...

There are many fresh water fish diseases that can strike even the most well-maintained tanks, so being able to identify and address them quickly is important. This guide will help you identify and ...

Biologists are testing fish in the Bow River and other bodies of water near Banff National Park's Johnson Lake to see if Canada's first case of whirling disease has spread.

A debilitating parasite that can decimate fish populations has been confirmed in B.C. for the first time, four months after a suspected case in the Rockies caused several bodies of water to be closed.