New zoa in tank

[bertbuss]

Hello,

I am new to saltwater tanks, I have a nano tank 29 gallons, fully cycle (4 months) with two clowns only all parameters are perfect, yesterday I decide to bring home my first zoa, today it started to open but not sure if this normal really, it looks kinda shrink I added a picture, please advice if this normal or if I did or doing something wrong

 

[SnazzyUrchin792]

It could just be stressed from the move.

 

[bertbuss]

Thank you!