Shrimpfish
Shrimpfish ("Isdang Sikwan" in Filipino language) - can be found in Indo-Pacific, including the Philippines. They form schools among the spines of Diadema orchins or staghorn corals. They eat tiny crustaceans in the zooplankton. They are remarkable for their strange body shape and swimming habit: body is encased in an armor of thin, transparent plates, they swim in synchronized groups, each fish in a vertical position with snout pointing downwards.