Answer: introduced species
Step-by-step explanation:
An introduced species is also called by other names such as alien species, foreign species, exotic species, non-native species and non-indigenous species. Such species is introduced into a new habitat either due to human activity like fishing, or utilizing such species for artificial selection or they may emigrate by their own in search of habitat, food and other resources.
On the basis of the above explanation, introduced species is a species that is brought into an ecosystem where it does not naturally occur.