Why is my Duncan not open up?

[Reef Devils]

Why is my Duncan not open up? It was fine yesterday. All of my other corals are fully open. I am going to test water now.

 

[Mr. Mojo Rising]

Corals get moody sometimes, as you say, everything is fine, I would leave it alone, see how it is tomorrow or the day after.

 

[Reef Devils]

Corals get moody sometimes, as you say, everything is fine, I would leave it alone, see how it is tomorrow or the day after.

I will see how it is tomorrow thanks

 

[snorklr]

the shrimp could have annoyed it...stole some food etc