Is anyone familiar with this to know if he is reef safe or not?
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Is he those colors? He looks like this- Saltwater Aquarium Inverts for Marine Reef Aquariums: Pincushion Urchin, Needle, Echinostrephus sp. My first thought was this guy though- Saltwater Aquarium Inverts for Marine Reef Aquariums: Pencil Urchin
Is he those colors? He looks like this- Saltwater Aquarium Inverts for Marine Reef Aquariums: Pincushion Urchin, Needle, Echinostrephus sp. My first thought was this guy though- Saltwater Aquarium Inverts for Marine Reef Aquariums: Pencil Urchin
Not sure the ID but I hope that your frags are secure. I "HAD" one and it wrecked my tank. They are small but sturdy....