Potato groupers are highly territorial and fiercely defend their home ranges, which are relatively small. Aggression: They can display aggressive behavior towards other fish and even divers if they feel threatened or if their territory is invaded. Ambush Predators: They are ambush predators, meaning they hide among coral and other structures, waiting for prey to come within striking distance, then lunge and swallow their prey whole. While they are generally passive, they can become dangerous to