Zebra crab (1/2 inch across) in fire urchin
Tiny (pea sized) crab in soft coral
Octopus are said to be perhaps the most intelligent non-mammals in the sea. They, and their cousins the squid and cuttlefish, are always intriguing underwater, seeming to be simultaneously scrutinizing you and trying to camouflage themselves so you won't notice them. I find them fascinating!
