“Isobana-Kakure-Ebi” in Japanese.
When a diver illuminates up a gorgonian which looks like a large fan by his underwater flashlight, often, he may find out something reflecting in the light. Looking closely, he will see a very small shrimp staying on the branch. This is Hamodactylus noumeae( Commensal Shrimp). “Isobana-Kakure-Ebi” in Japanese.
They are very tiny shrimps, around 0.5cm. The purple body seen through a transparent exoskeleton is beautiful.
Body-color is depending on a host gorgonian color.
Moreover, most of the body is transparent, so it is hard to find.
They are also masters of camouflage and Ninja under the sea.