It feeds primarily on other fish, using its sense of smell and ability to detect vibration through its lateral line to hunt.
(It; feeds primarily; on other fish) Context(It feeds primarily,List([0, 18))):(It; feeds primarily on other fish using; its sense of smell and ability)
It feeds primarily,List([0, 18))
It It
feeds primarily feeds primarily on other fish using
on other fish
its sense of smell and ability