Porcupinefish are relatives of puffers. This one is getting cleaned by that blue and black stripped wrasse.

2003:09:06 17:59:27
Island: Sangang Island
Dive Site: Black Magic
Speed: 1/50 sec
Aperture: f2.3
ISO: 64
Exposure Compensation: 0.0
Exposure Program: Aperture Priority
Focal Length: 10 mm
Flash: