Thanks.
I have an empty Tank and some other tanks with smaler fish where i could put them.
But at the moment i does not look like its necessary. Its more the other way round. The HRP are trying to breed and were beating the grammodes female a lot. For a few days i was worried she might not get enough food. The HRP male ist beating its own female too. So its good that he now finds some distraction in the grammode male.
The grammodes male is very soft with the HRP. They try to get him away from their coconut. An he just stands in front of them and shows of a little. But no biting.
Grammodes standing in front of the HRPs coconut (right corner)