For scstone12
If the fish don’t have anywhere to live (ie: a coral or anemone) they will often act weird and sleep in different parts of the tank. If you have an anemone or long tentacled coral (torch, elegant, etc) in the tank and one is living in that and the other is hiding at the top, then they are probably both females and one is dominating the other.
Normally a healthy happy established pr will spend all their time together and stay within 6inches of each other.
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For Jonny967
If the crispa anemone is only small then the clownfish will use that and any other nearby coral to live in. As the anemone grows they should be able to fit in it and then they will start to sleep/ live next to each other.