cerceos: “Alexander Semenov Weird Space, 2012 ”Red Sea in February is full of strange translucent creatures. It’s the jellyfish, ctenophores and salps. They have appeared on our planet long before us,.
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.