Nudibranchs are Jen's favorite underwater creatures. They are basically snails without the protective shell. Because they don't have a shell, they have evolved a different defense mechanism - they are toxic to most species. Their bright coloration advertises their toxicity to other reef dwellers.

2003:09:07 07:36:11
Island: Sangang Island
Dive Site: Black Magic
Speed: 1/50 sec
Aperture: f8.0
ISO: 64
Exposure Compensation: 0.0
Exposure Program: Aperture Priority
Focal Length: 13 mm
Flash: