Ian Haggerty on Instagram: "Scientists say octopuses sometimes slap fish for no reason. This footage strongly supports that theory. I was minding my own business scuba diving when this octopus suddenly reached out and smacked a passing fish like it owed him money. No hunting. No threat. No explanation. Just pure octopus chaos. Octopuses are insanely intelligent, emotional, and occasionally… petty. Some marine scientists believe these random slaps are dominance checks, mood swings, or just an eig