Starfish ID

[Hp1836]

Any help Identifying this starfish? Listed as Marbled Starfish but the guy did not know much more. Problem is I can not find a picture of one like it. It's about 6 inches in diameter. Is it reef safe?

 

[Crabs McJones]

Sort of looks like this
https://www.coralreeftn.com/products/green-linckia-sea-starfish

 

[Subsea]

Any help Identifying this starfish? Listed as Marbled Starfish but the guy did not know much more. Problem is I can not find a picture of one like it. It's about 6 inches in diameter. Is it reef safe?

Probably not reef safe, it depends on what’s in your captive reef or what you feed it.

Obviously, it eats something.

 

[Hp1836]

Thinking maybe https://m.liveaquaria.com/product/7997/?pcatid=7997 too.
It looks green under blue light. Never seen one like it. Both types say reef safe so let's see how it goes