Assertion: sperm whale's predator | /r/HasProperty | fish
Facets:
value: like tuna
type: OTHER
value: heavily
type: DEGREE
Source sentences:
text: As the plankton's predators (fish) approach the plankton, however, their glowing alerts the whale.
text: Also, many top predators, like tuna, have been heavily fished, and squid may be replacing them, preying on fish, crustaceans and other squid.