TRIDACNA MANTLE

GIANT CLAM

TRIDACNA GIGAS

The fleshy algae-filled folded mantle of a tridacna clam lies exposed for the symbiotic single-celled dinoflagellate algae (zooxanthellae) to photosynthesise. A small triplefin also shelters in the mantle.

Wakatobi Reefs, Sulawesi, Indonesia

Canon EOS 5D Mk II, Canon EF 50mm f/2.5 compact macro, 1/200, f/22, ISO 200, single strobe

by Pam Osborn