mussidae or brain corall in aquarium

coral reef purple invertebrate organism underwater animal flower petal jellyfish fish plant mussidae brain corall aquarium animal aquaculture aquarium aquatic blue brain bright care closed closeup coast colorful reef corals creature diving ecosystem exotic fauna glow green hexacorallia life lps marine microorganism mussidae nature ocean polyp polyps purple red sea tank tropical undersea underwater vibrant vivid water