Lake Ontario fish die-off

Toronto — Videos and photos showing piles of dead fish along the shores of Lake Ontario have sparked concern among Toronto residents, but experts insist this phenomenon is a natural occurrence tied to seasonal changes. The Ministry of Natural Resources (MNR) has confirmed that the fish are alewives, a species in the herring family, commonly found in the lake.The die-off, witnessed at spots like Marie Curtis Park and Humber Bay Park, has led to speculation online, but scientists say the fish deaths are the result of environmental stress factors that frequently occur in spring.“It is stressful for the fish, because…