Due to Blue Planet II you’re now properly conscious of a trevally’s style for terns. What you may not concentrate on is their obvious distaste for sharks.
For causes that stay mysterious, Big Trevally, a relative of pompanos and jacks, assault and kill reef sharks a lot bigger than themselves however don’t eat them. Fishers in Palau within the Western Caroline Islands, Saipan within the Mariana Islands, and the Marshall Islands have documented giant trevally singly or in pairs repeatedly head-butting the perimeters of reef species equivalent to Blacktip Sharks and even Tiger Sharks.
LINK (through: John Hopkins College Press)