Mystery Wrasse - Marshall IslandsPseudocheilinus ocellatus Pseudocheilinus wrasses are known for being hardy, active and useful in regards to parasites. Initially a very shy fish, this wrasse should be one of the last fish added to a tank as they get notoriously territorial to new additions and timid tank mates. This wrasse is a great choice for reef aquariums because they will not bother corals or anemones. In addition, they are known predators of a myriad of unwanted pests like