Prohibited species

Under the ISA, it is illegal to import, possess, deposit, release, transport, propagate (breed/grow), buy, sell, lease, or trade prohibited invasive species, according to a statement by the Government of Ontario.

It's important to note that none of the prohibited species have been documented in Ontario ... yet. But officials are taking precautionary steps because should they cross the border they could establish quickly, leading to potentially devastating environmental effects.

As of January 1, 2024, the following species are now prohibited in Ontario:

Ide (fish)