I have no idea what this is but it is alive

[mr pink floyd]

dude... no... well maybe

JK

it does open up, trust me, curly things dont come out, it loosk liek a curly wire inside of one that i have

 

[puffer21]

It does open,.

 

[LBCBJ]

I have some of those on my rock, they're just some type of bivalve. Keep it, it won't hurt anything. Plus it means you may actually have "live" rock.

 

[funman1]

Does it look something like this when it opens?



That's a flaming scallop in the pic

 

[puffer21]

No it doesnt look like that