Berghia nudibranchs are small, colorful sea slugs that are known for eating a specific type of pest anemone called Aiptasia. These little critters are popular with saltwater aquarium owners because they help keep tanks clean by removing the unwanted anemones, although I personally don't mind a controlled aiptasia population. Berghia nudibranchs are soft-bodied and don't have a shell after a few days of development. Berghias belong to a family of nudibranch known as aeolids. This is due to their