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Marmorkrebs

Marmorkrebs

Marmorkrebs Procambarus virginalis  Home 9 Invaders 9 Category: Invertebrates Background Marmorkrebs, also called marbled crayfish, are a species that is thought to have been created during breeding of Procambarus fallax in captivity for the purpose...
Red Swamp Crayfish

Red Swamp Crayfish

Red Swamp Crayfish Procambarus clarkii  Home 9 Invaders 9 Category: Invertebrates Background Red swamp crayfish are large, aggressive crayfish native to the Gulf Coast and Mississippi River Basin in the United States. They present a significant...
Zebra and Quagga Mussels

Zebra and Quagga Mussels

Zebra and Quagga Mussels  Home 9 Search query for: Round ( Page 6 ) 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...
Spiny and Fishhook Waterfleas

Spiny and Fishhook Waterfleas

Spiny and Fishhook Waterfleas  Home 9 Invaders 9 Category: 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...
Rusty Crayfish

Rusty Crayfish

Rusty Crayfish Orconectes rusticus  Home 9 Invaders 9 Category: Invertebrates Background Rusty crayfish are large, aggressive crayfish native to the Ohio River Basin in the United States.  The species was likely introduced to Ontario by anglers from...
Killer Shrimp

Killer Shrimp

Killer Shrimp Dikerogammarus villosus ; Home 9 Invaders 9 Category: Invertebrates What is Ontario Doing? To prevent this unwanted invader from coming into the province, Ontario has regulated Killer Shrimp as prohibited under the Invasive Species Act....