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White River Crayfish

White River Crayfish

White River Crayfish Procambarus acutus  Home 9 What is Ontario Doing? To prevent these unwanted invaders from coming into the province, Ontario has regulated the Procambarus genus as prohibited under the Invasive Species Act, 2015.  Background White...
Signal Crayfish

Signal Crayfish

Signal Crayfish Pacifastacus leniusculus  Home 9 Category: Invaders What is Ontario Doing? To prevent these unwanted invaders from coming into the province, Ontario has regulated the Pacifastacus genus as prohibited under the Invasive Species Act, 2015....
Marbled Crayfish

Marbled Crayfish

Marbled Crayfish Procambarus virginalis  Home 9 Tag: invasive invertebrates What is Ontario Doing? To prevent this unwanted invader from coming into the province, Ontario has regulated marbled crayfish as prohibited under the Invasive Species Act,...
Red Swamp Crayfish

Red Swamp Crayfish

Red Swamp Crayfish Procambarus clarkii  Home 9 Tag: invasive invertebrates What is Ontario Doing? To prevent this unwanted invader from coming into the province, Ontario has regulated red swamp crayfish as prohibited under the Invasive Species Act,...
Zebra and Quagga Mussels

Zebra and Quagga Mussels

Zebra and Quagga Mussels  Home 9 Tag: invasive invertebrates Background Zebra and quagga mussels are freshwater bivalves native to the Black Sea region of Eurasia. Both species were believed to have been introduced in the late 1980’s by ballast water from...
Spiny and Fishhook Waterfleas

Spiny and Fishhook Waterfleas

Spiny and Fishhook Waterfleas  Home 9 Tag: invasive invertebrates Background Spiny and fishhook waterfleas are small aquatic predators native to Eurasia. The first report of spiny and fishhook waterfleas in North America were both in Lake Ontario – spiny...