Can somebody help with ID

[pwong82]

Can somebody tell me what's growing on me rocks

 

[pwong82]

And is this a starfish

 

[danbstrong]

And is this a starfish

First pic aiptasia nuscence second is starfish not sure what kind but remain small

 

[pwong82]

Ok thanks
In the second pic of the first three I posted the rock has what looks like mushrooms do u by any chance know what those are. This is a better pic

 

[markboote1978]

Asterina starfish, you probably got loads of them... Totally harmless, not sure about mushrooms.... Need to see them open.

 

[pwong82]

I'll try to get a better pic of the mushrooms

 

[Crystal A]

1 aptasia
2 mushrooms
3 aptasia

 

[pwong82]

Are these pics any better to help find out what type of mushrooms these are. Are they bad or good for a aquarium. Thanks