This is definitely something you don’t see everyday! Apparently this goliath grouper’s mom never told him to not eat anything bigger than his head.
In a reddit post, Gimbb14 describes the events that led to the video:
Ran out to the reef at around 8am yesterday and wasn’t having much luck. Put out a chum block, set down some blue runners on the reef and waited. Had a 15lb goliath grouper take and brought him up, as I brought him to the boat, the monster goliath shown in the video came and tried to steal him. About 30 minutes later I had about a 5foot nurse shark take and brought him up. As I was dehooking the shark, the goliath came back and inspected but didn’t attack him. Finally, about an hour after the nurse shark, I hooked the black tip [shark] behind the boat in the chum slick, and then the hilarity in the video began.
The goliath groupers can grow to be over 8 feet long.