This photo of a sponge was taken while free-diving at Boyinaboat reef, Perth, Australia. On my second dive into a cave, I noticed the air bubble in this sponge which created a cool effect. Taken with an Olympus C5050-Z with internal flash (and diffuser).
Photocomp October '06 - Open
Contributed by maartenT
2006-10-26
by mattR