??

[alddb]

Seen this today. It’s not as small as a typical asterina starfish. Anyone know what it is?

 

[ISpeakForTheSeas]

Seen this today. It’s not as small as a typical asterina starfish. Anyone know what it is?

View attachment 2990970

Pics under white light may be helpful, but it may still be an "Asterina" starfish (actually Aquilonastra, as Asterina is a different genus in the same taxonomic family, Asterinidae), as some of the species (while less common in our tanks) get quite large.

ISpeakForTheSeas said:
It depends on the species - some of them can get up to almost 4" (~10cm). Most common ones in the hobby are tiny, but there are actually a number of Aquilonastra species that get larger than 2cm.

 

[Zach B]

+1 to the above said comment. It is a bit hard to tell but I have some the size of a quarter or more. Best of luck