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Sign urging people to report sightings of Asian Carp

Sign urging people to report sightings of Asian Carp along Lake Ontario in Toronto, Ontario, Canada. These invasive species threaten local fish because they breed so quickly and may take over lake and river habitats, pushing out native species and unbalancing the natural ecosystem. (Photo by Creative Touch Imaging Ltd./NurPhoto)

Photo ID	#2101374
Date Taken	3 July 2017
Location	N/A
Photographer	Creative Touch Imaging Ltd/NurPhoto
Category	Human Interest
Copyright	© 2026 NurPhoto - Creative Touch Imaging Ltd/NurPhoto

fish invasive species Asian Carp Toronto Lake Ontario Canada North America Ontario environment environmental issues nature sign English text warning prevention Great Lakes issue problem ecology Silver Carp Bighead Carp Grass Carp Black Carp carp ecological portrait format color photo colour photo photography no people nobody close-up vertical format