Absolutely incredible behaviour if that’s what happened. Groupers and octopuses are known to hunt together sometimes, but seeing a grouper appear to protect or intervene for an octopus is extremely unusual and fascinating. It could have been territorial behaviour, feeding strategy, curiosity, or even accidental positioning — but on camera it probably looks insane. Description: One of the strangest underwater interactions I’ve ever filmed. A moray eel moved in on an octopus and suddenly a massive