Assertion: lionfish's predator | /r/CapableOf | keep invasive lionfish species
Facets:
value: by out-competing them
type: MANNER
value: by eating the fish
type: MANNER
value: in check
type: LOCATION
value: for food
type: PURPOSE
Source sentences:
text: The thought was that these predators could keep the invasive lionfish species in check by out-competing them for food or by directly eating the fish, which are covered in venomous spikes.