Scrawled filefish are at their most scenic when they catch the light. The blue scribbles that cover their bodies glow with intensity. They’re a peculiar-looking fish with a flat body and long tail, and they can quickly change color to a camouflage pattern when needed.
In this photo, the two dorsal fins are visible. The forward one is just a thin spine which can be raised and lowered. The other one is very fine and often hard to see. In this photo it has a bit of a wave going on.