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Also known as Pink Puffball Sponge, Burrowing Sponge, Red Burrowing Sponge, Maiden's Fan and Red Maiden Fan Sponge. They feed on plankton and can grow to a length of about 10cm.
Found on shallow coral and rocky reefs with the stalk buried in the substrate and the cap about the size of a golf ball above is used for filtering food. This ball can also fall off, roll around the seabed, reattach or reform into another sponge. Widespread in the Western Central Pacific.
A violet-hued globe that looks like it's made of gossamer, attached to a slender tube. The base seems to be rooted in the sand. Spotted this curious-looking marine life at a depth of about 30 feet, at a dive site called Limao Reef, off the coast of Samal Island, Philippines.