Hitchhiker Help

[new2reefing]

Hey all. Just brought home a devils hand on a 3" piece of LR. Had what looksnlike an orange seaslug.
Safe or not safe. Its currently in a tuperware container(slug not frag)

 

[new2reefing]

Nvm. Apparently its a flatworm.

 

[Shooter000]

Kill it!!!!