Asian Tapeworm

The Asian tapeworm is an aquatic intestinal parasite that can infect freshwater fish, particularly in species of carp. This tapeworm can reduce body growth, cause anemia and eventually mortality in infected fish by absorbing the nutrients from its host. The Asian...

Silver Carp

The silver carp is a fast growing fish that can be found in backwater habitats and channel borders with low velocity. This invasive carp is a threat to native species as they compete for plankton, including microscopic plants (phytoplankton) and animals...

Rusty Crayfish

The rusty crayfish is an invasive crustacean that prefers bottom substrate of clay, silt or gravel with objects for protection such as logs and rocks. This is a very aggressive crayfish with a high tolerance for extreme water temperatures ranging from 0 degrees C to...

Northern Snakehead

This species is native in rivers of China and Siberia. It prefers relatively low maximum air temperatures (5-18oC) and can tolerate up to 193 annual frost days. They can withstand freezing temperatures by hibernating or remaining dormant in the mud. Adult fish can...

Eurasian Watermilfoil

The Eurasian watermilfoil is a fast growing, submerged, perennial, aquatic plant that can be found growing in water as deep as 10 metres, but 1 to 3 metre depths are preferred. This invasive plant can quickly take over and form thick mats in lakes and rivers. Even a...