Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
Agreed, Definitely an Asterina Starfish. Personally, I take them out of my tank if is see them because they will eat my zoanthids but everyone has different experiences with them.Looks to me like an Asterina starfish.
100% correct here.Note: They are also known to consume coralline algae, so if you want purple on the rocks, they could slow the process.