A burrfish with thorns and big
      eyes

Burrfish

( Cyclichthys spilostylus )

When the fish is afraid of you or to scare you it is puffed up and the thorns are arise. Normally the thorns are clasped to skin. Thorns are placed in white spots on the back and on black spots on the stomach. Due to the thorns the fish feels safe and you may approach closely to it.

A fish with big eyes, with
      thorns on the back and stomach
Big eyes

A fish with big eyes and with
      thorns
Doidon

Burrfish
      in shadow of coral
Fish hides in shadow