Bumphead parrotfish.
Napoleon wrasse.
Horned bannerfish.
Pinktail triggerfish.
Blueface angelfish.
Black & blue nudibranch.
Green & orange coral.
Surgeonfish.
Garden eels.
Sponge.
Trumpetfish.
Common lionfish.
Shrimpfish.
Camouflage: flounder
Crocodile fish.
Scorpionfish.
Spot two frogfish.
(Hint: most of image.)
Ghost pipefish, male & female.
Striped catfish.
Seahorses.
Banded pipefish.
Coral pipefish
Sponges.
Tube anemone...
... with piebald shrimps.