Two slugs

Mantis shrimp

Nudibranch

Octopus (by pephanek)

Sea snake

Nudibranch

Nudibranch

Nudibranch (by pephanek)

Tiny nudibranch

Puffer

Remora on turtle

Stargazer

Shell

Hermit crab

Nudibranch (by pephanek)

Nudibranch (by pephanek)

Nuibranch (by pephanek)

Nudibanch (by pephanek)

Nudibranch (by pephanek)

Nudibranch (by pephanek)

Juvenile frogfish (by pephanek)

Swimming shrimp (by pephanek)

Flatworm (by pephanek)

Tiny sponge-crab (by pephanek)

Flatworm (by pephanek)

Snail (by pephanek)

Catfish (by pephanek)

Crab hiding in feather (by pephanek)

Crab (by pephanek)