What is this leather coral?

[Artistic Raven]

Just got this today, I believe it to be a toadstool, but it’s dark chocolate brown out of water and opened up it looks black/ dark brown with neon polys under blue lights, was only $50

 

[vetteguy53081]

Just got this today, I believe it to be a toadstool, but it’s dark chocolate brown out of water and opened up it looks black/ dark brown with neon polys under blue lights, was only $50View attachment 3085990 View attachment 3085991

Looks like an unhappy devils hand. Elevate it where it gets medium light and water flow. Assure nitrates not elevated and add iron and Manganese to water occasionally. These guys must get water flow

 

[Sleeping Giant]

flow is essential

 

[Artistic Raven]

Looks like an unhappy devils hand. Elevate it where it gets medium light and water flow. Assure nitrates not elevated and add iron and Manganese to water occasionally. These guys must get water flow

Any idea what kind of devils hand it might be

 

[vetteguy53081]

Any idea what kind of devils hand it might be

Its Devils hand. They are in many shaped and contours and some have fingers known as finger leather.