The aptly named Ping-pong tree sponge (Chondrocladia lampadiglobus) is a carnivorous sponge. Those ping-pong ball looking things are covered in tiny spicules which the sponge uses to catch tiny crustaceans.
Sun Fish (aka Mola Mola) are the largest bony fish on earth, up to across, lbs. Their favorite food is jellyfish. They have no tail. At night they often come to the ocean's surface for hours at a time, barely moving. Also called Mola Mola.
*SAGAMINOPTERON PSYCHEDELICUM NUDIBRANCH ~ Originally described from Guam, this animal is now known from many parts of the tropical western Pacific Maximal size : 20 mm. Frequently on the reef flat zone and the fore reef zone. (psychedelicum, indeed.