What they are doing

[Wisnu]

Taken by my daughter at Anilao - don't know what this banded shrimp doing with the C. magnifica - just playing? are they talk each other
I can't find this behavior in David Behren book Nudibranch behaviour.

 

[Zippsy]

It may just be a chance encounter. I can not imagine the shrimp trying for a meal (or a baby) and I have never heard of nudi's getting cleaned by something so big. On the other hand, making up a good story about a picture is always a fun time with kids.