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.
Papuan Jellyfish Mastigias Papua, Palau Art Print by Hiroya Minakuchi. All prints are professionally printed, packaged, and shipped within 3 - 4 business days. Choose from multiple sizes and hundreds of frame and mat options.