MNR says dead fish along Lake Ontario not indicative of crisis

Hundreds of dead and dying fish have been washing up along the Lake Ontario shoreline in Burlington, but it’s all a part of nature says the Ministry of Natural Resources.

According to the Ministry of Natural Resources (MNR) the fish are alewifes, a type of herring that can often die off  in the spring.

The fish typically move in from deeper waters to spawn and expend a lot energy doing so — sometimes dying as a result.

The MNR says that the fish are often weakened after a long or cold winter and can be stressed during spawning season. Rapid temperature changes (common in near-shore areas of Lake Ontario) can also affect the fish.

“While the sight of dead fish can be concerning, it is important to note that these events are natural and not indicative of a larger environmental or health crisis,” a statement from the MNR read.

The Ministry advises to avoid direct contact with any dead fish to prevent any potential health risks. To report instances of dead fish to the MNR, call 800-387-7011.

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