There is no question about mature peppermint shrimp eating aiptasia. They do that, and they will clear a tank out once they get going, but, they are not a target predator and that means they are not desirable for people who enjoy adding a lot of biodiversity to their reefs. In many reefs living in too close quarters can mean some people will loose their favorite LPS, tunicates, cucumbers or anemones and other things to their peppermints. They work well for some people who have highly specialized reefs or complex structures but not for everyone. They also work pretty well in a clearing tank just for cleaning rocks of aiptasia so the shrimp are kept out of the reef this way. Another exception though, 9 times out of 10 with the more porous rock, once the peppermints are gone, the aiptasia are back in places that make life difficult. Like everything in this hobby, both up and down side.




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