Green slug

[Ody]

I noticed to day a green type slug in my tank it is a lime green colour with three yellow spots on its back its to small to photo anybody any ideas what this is

 

[fort384]

Sounds to me like some kind of nudibranch. Google that and see if it looks similar. Some are good, some are bad. If in doubt, I would remove it.

 

[Daniel Fishy]

Is it hanging around zoas or lps?