identical to this one: Asterina gibbosa, even same pale minty green colour with white fluff, but mine has a extra leg and is about 5mm: ... Related FAQs: Asterina Stars, Asterinas 2, & Asterina ID, Asterina Behavior, Asterina Compatibility, Asterina Selection, Asterina Systems, Asterina Feeding, ... These little guys have gotten sort of a mixed review as far as their reef-safeness is