The Passage’s unique layout gives it a distinctive micro habitat, where you will easily find many different kinds of pygmy seahorses, such as yellow and pink Barbiganti, orange and pink Denise, as well as numerous and colorful nudibranchs, shrimps, flatworms, octopuses hiding in coral crevices, sea fans of all colors, toad fish and many gobies, blennies and crustaceans. Underwater photographers will be truly delighted with this place, better stick to the edges where the mangrove lined cliffs create yet another micro-ecology.
Some other marine life that divers can find in this amazing spot, where mangroves and rainforest meet the reef in a maze of limestone cliffs, are schools of fusiliers, the archerfish, moray eels, schools of jacks, blue spotted stingray, cuttlefish, cardinal, batfish, sponges, turtles, rays, and bump head parrotfish schools, oriental sweetlips, numerous lionfish and scorpionfish, even Wobbegong sharks can be spotted laying under ledges. Reef sharks can be seen out in the current. And some pelagic species such as large tuna, barracuda and trevally. Emperor angelfish and masked butterfly fish are just a couple of other species on display. And if you are extremely lucky a manta ray or eagle ray might come flying by!