Friend or foe? What is it

[black dragon designs]

Went to clean one of my power heads and this guy was attached to it.

It has a hard part/shell , thought it was a snail at first
What is it and is good or bad? It’s in the sump for the time being

Thanks

 

[GSPClown94]

Stomatella snail. Browse through this thread https://www.reef2reef.com/threads/what-is-that-a-r2r-guide-to-common-new-tank-hitchhikers.443382/

 

[black dragon designs]

thanks
i saw that but wasnt positive it was an exact match to that photo and didnt want to toss it just to be safe

appreciate it