It is a predatory species which takes other fish and various crustaceans as prey.
These predatory species have plenty to eat in the lake and an increase in their numbers will bring a balance to the ecosystem.
Most predatory species that eat live fish can also be weaned onto dead alternatives.
Some predatory species adjust their habits in response to competition from other predators.
As predatory species are naturally equipped to catch prey, this is a further use for animals and birds.
The experimenter then puts a predatory species of fish, such as the pike, into each tank.
In past years, it was not unusual to find large Northern Pike and other predatory species.
The operculum may provide some protection against smaller predatory species.
It occurred to her that the plants were not the only predatory species in the vicinity.
It is a predatory species, with several studies conducted to determine its diet and feeding habits.
