Help to identify this

[Danyboy]

Hi
Im not sure what are this thins. Its looks like snail without shell and has orange colour.
Today I see laid eggs and I’m not sure if it is harmless or not?!!!

 

[Danyboy]

Some more pictures.

 

[fishguy242]

hi ,welcome to the reef
looks like possibly a type of sea hare.
not sure if safe or not.

 

[CoralB]

I’d guess some type of nudibranch . Some are very bad . Maybe someone else could chime in and give a positive I’d