Puffball Sponges
Gray Puffball Sponge (Craniella arb)
Orange Puffball Sponge (Tethya aurantia)
Gray Puffball Sponge
© Bob Gladden
Orange Puffball Sponge
© Bob Gladden
Orange Puffball Sponge
© 2001 Paul Foretic
Gray Puffball Sponge
Orange Puffball Sponge
Orange Puffball Sponge