A Redsea Rhinecanthus Picasso
      with an open dorsal trigger fin

A Picassofish with open trigger fin

( Rhinecanthus assasi )

The fish is mostly spread at the North of Red Sea. Its name is Arabian or Red Sea Picassofish . This fish is shy. It always swims from photographer and hides in a hole of coral. In the hole Picasso uses its dorsal fin to hold firmly. So it isn't afraid that stream brings it out of the hole when it is dormant.

Picasso Triggerfish
The dorsal fin is hided

Big teethy triggerfish with
      big scales
Titan triggerfish