Genus
Common name: Pom Pom Crab
Scientific name: Adreus
Adreus is a genus of small crabs known commonly as Pom Pom Crabs, named for their unique behavior of holding anemones in their claws, which resemble cheerleader pom-poms. These crabs are popular in reef aquariums for their fascinating symbiotic relationship with anemones, which they use for defense and to help capture food. They are generally peaceful and can coexist with a variety of tank mates. Hobbyists appreciate their interesting behavior and the dynamic they bring to the tank ecosystem.