black snail

Does anyone know what snail this is and if it’s considered reef save? Have it roaming around (only on the rocks) for quite a while now.

Hey everyone so i just noticed this guy crawl from the top of my rock work all the way to the bottom pretty fast. In thank I only have 4 corals and 2 clown fish and 3 bubble bee snails in a 13 gallon. Started the tank in January and put coral in march 1st and fish march 29th. This is the first...