This helps to illustrate why they're called "ghost" pipefish. A juvenile transitioning between pelagic (open ocean) and reef-bound stages of life. Just beginning to develop the characteristic coloration.

2003:09:05 19:32:32
Island: Rinja
Dive Site: Torpedo alley
Speed: 1/50 sec
Aperture: f8.0
ISO: 64
Exposure Compensation: 0.0
Exposure Program: Aperture Priority
Focal Length: 13 mm
Flash: