Is It A Parrot Fish

[Driver200]

I have purchase 4 parrot fish from my local garden centre and I am not sure if 3 of them might not be parrot fish, one of them has te triangle mouth and more common shape but the other 3 can fully close their mouths and seem a little different just wondering if they may have sold me Some other fish or its just a different breed ???

 

[TallTree01]

Give us pics. They'll help a lot.
This is in the wrong section btw.

 

[Lunar Jetman]

Yep, it's difficult to determine what they are from a description. Put up a pic and maybe someone can confirm.