ID please

[kateater]

Anyone have any clue on what these are? They have been in my tanks for years and don't grow rapidly. I am nuking some aptasia and debated on getting them too.

 

[Mr. E Wrasse]

Look very similar to a type of aiptasia... can't remember the name though

 

[kateater]

They have a calcium skeletal structure when they retract.

 

[ritter6788]

Cup coral. Comes in as hitchhikers from Florida live rock sometimes.

 

[kateater]

Cup coral. Comes in as hitchhikers from Florida live rock sometimes.

keeper or pest?

 

[ritter6788]

keeper or pest?

I'd keep it.

 

[kateater]

Thanks