Often it becomes a nuisance species, because in its new habitat it lacks its old enemies.
It is also considered a nuisance species when it becomes very dense.
Even so called "nuisance species" play a valuable role in the marine ecosystem.
Some states consider the white perch to be a nuisance species due to its ability to destroy fisheries.
According to county wildlife experts, turkeys are well on their way to becoming the next nuisance species.
The water quality is impaired due to non-native aquatic plants and nuisance exotic species.
Starlings are considered a nuisance species in North America.
Experts also expect an invasion of quagga mussels, another nuisance species.
The ruffe was designated an aquatic nuisance species by the federal government in 1992.
To date, 31 states have plans to manage aquatic nuisance species, as a result of collaboration with the Task Force.