What coral is this

[Lewis1]

Hello when I was setting up my 40 gallon I bought this coral from Petco to make sure the tank would support life (which it does) and this coral has gotten bigger but I’m not sure what it is. It never got any more color then it’s very light pink almost white color so if anyone could Id it thank you. Also he doesn’t stand very well and was wondering if there was a fix to make him stand up straight at all times

 

[T-J]

Toadstool.

 

[monkeyCmonkeyDo]

Looks healthy. Leave it alone. As it grows bigger and thicker it will extend up towards the lights. Hths
D

 

[jeffchapok]

Be aware that it will occasionally withdraw all its tentacles and stay smooth for a few days. Then its surface will shed and it'll come back bigger and better. Don't worry, this is normal.