Anyone seen this before ? Is it bad

[PrattysReef]

Hi there, recently picked up this softy and it came with a small cowrie type snail on its flesh i was wondering if anyone had seen the like before ?

Its very pretty but ill remove it if it is a pest species

 

[sassyonmane]

Diminovula stigma

 

[sassyonmane]

It is not reef safe, they only feed on coral polyps

 

[Sam7]

maybe a white leopard snail or a nudibranch of some type had to say

 

[PrattysReef]

Diminovula stigma

Bad guy :( ill be removing it then