Welcome to Reef Hobbyist Magazine. Forums -> Pico Reefs. Nano Reef Aquarium Articles - Nano-Reef.com. As our nano reefs progress over time a few new corals, fish, cleanup crews, and liverock are typically added to our systems.
But sometimes we get more than we bargained for - pests. Commonly called hitch hikers, most reef aquarium pests come along with livestock added to the tank.