Spiny water fleas collect on fishing lines and downrigger cables, and can be transported in bait-buckets and live wells. It only takes one adult or egg to begin an infestation. Bell Museum, Univ. There are several species of exotic aquatic plants found in Ontario which can cause ecological problems if spread into new waterbodies. They can displace native vegetation, affect fish and wildlife habitat, and interfere with human uses of our waterways.
Aquatic plants can also harbour zebra mussels and other species.
When leaving any waterbody please remove all vegetation from your boat, trailer and other equipment. A number of causes, natural or unnatural, may lead to large numbers of fish dying. Most fish kills happen in the summer, but winter fish kills are not uncommon. Unnatural fish kills are usually the result of releasing heated waste or toxic chemicals. The sources may be industrial, agricultural, municipal, or residential.