Mystery Starfish

[AquaHobby31]

Saw this starfish at my Petco but they clearly had the wrong tag/name. Who can tell me what starfish this is and if it’s reef safe?

 

[Saveafish]

Knob. NOT reef safe. It eats corals.

 

[ihavecrabs]

Knob. NOT reef safe. It eats corals.

2nd this..

Knobby starfish.

 

[AquaHobby31]

Thank you folks. Didn’t think it looked like knobby but I guess they change as they grow

 

[John Genmel]

My lfs has them as red thorny starfish and supposedly reef safe

 

[AquaHobby31]

Found it The Red Thorny Sea Star... not reef safe