Friend or not

[DWilliams]

Green looking slug?
Reef safe?

 

[Petrichor]

Google lettuce nudibranch and see if it's similar.

If it is, they're friendly algae grazers, but can easily get sucked into powerheads and filters.

 

[DWilliams]

Google lettuce nudibranch and see if it's similar.

If it is, they're friendly algae grazers, but can easily get sucked into powerheads and filters.

I've seen him get sucked into the power head like 10 times now, he still seems to be just fine tho.