Purchased this coral a few weeks ago. Checked all water parameters and everything appears normal. Is this normal for them to have their mouth open? It also looks a little shriveled then when I put it in.
Homophyllia and other LPS will expel time to time and give a shriveled appearance while having the mouth open. Coral looks healthy so I would not worry. Feed it a couple times a week when it's feeding tentacles are out and low to medium indirect flow.