The spine on this fish's head is used more for display and defense than as a lure as with frogfish or anglers. The heart-shaped dot on the dorsal fin indicated that this one is a young adult.

2003:09:09 12:18:06
Island: Bali
Dive Site: Padangbai
Speed: 1/100 sec
Aperture: f8.0
ISO: 64
Exposure Compensation: 0.0
Exposure Program: Aperture Priority
Focal Length: 21 mm
Flash: