Probably the grammodes as well they usually don't work all that well on a community.You would be better of removing the others honestly. Haitians do not tolerate tank mates. They will kill them and if they can't they will bloat and die. Festae can be extremely aggressive as well. So can the red devil. All three are way better of in solo or as a pair and that's it. With a large enough tank and if you choose your pike wisely, meaning not the aggressive end of the spectrum, you might get it to work. But you will need to ditch the others for sure.
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