Something growing on hermit crab shell

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jfran

Aquarium Advice Activist
Joined
Jan 17, 2016
Messages
114
Does anybody have any idea what this is? Is it bad? It has moved around on the shell and it wasn't there yesterday.Image1483318922.568451.jpgImage1483319029.129727.jpg
 
Looks like an asterina star. Mostly harmless but there are variants that feed on soft corals
 
little asteria star going for a ride , haven't seen any of those little guys in my tank in a while ,
 
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