Photo copyright Tim Nicholson, whose underwater photographs and photo books are available from http://www.photoboxgallery.com/timnicholson.
Taken in Gota Sha'ab El Erg, Red Sea.
Crocodilefish, Papiloculiceps longicep

Back to the Red Sea Photos....
More crocodilefish photos.

Further Reading:
Coral Reef Guide Red Sea, by Robert Myers and Ewald Lieske
The Red Sea, by Andrea Ghisotti
Underwater Photographer , by Martin Edge