Weird orange snail/slug

[Duncan62]

I've found 2 of these in the last 2 days

 

[Duncan62]

I've found 2 of these in the last 2 days

There is a hard shell under the body . Looks like a hole in the top. Really stuck tight to the rock.

 

[bradleym]

Looks like a fleshy limpet.

 

[Duncan62]

Looks like a fleshy limpet.

The hole made me think about limpets but this one is new to me. Good guy or bad? I've kept limpets before but nothing like this. Thanks.

 

[cpoynter]

The hole made me think about limpets but this one is new to me. Good guy or bad? I've kept limpets before but nothing like this. Thanks.

 

[cpoynter]

Fleshy Limpet. I have two.