Red Pygmy Seahorse, Lembeh Strait, North Sulawesi

Approximate height: 1/2 inch
 
Camera

Canon 20D
Subal Housing

Lens
 100 mm macro
MacroMate diopter
Strobes
 2 x YS-90Duo
ISO
200
Expos.
Manual
Shutter 1/125 sec.
F-Stop 32