Known for its striking hues, the Biota Yellow Watchman Goby quickly becomes a centerpiece. Strong filtration, stable salinity, and plenty of crevices will encourage natural behavior. Its diet is carnivore (small crustaceans, worms; will sift sand), so offer a variety of quality frozen and prepared foods. It generally coexists well with compatible species but may show territoriality if crowded. Only available for purchase in-store in Columbus, Ohio. Maximum size: 4 in (10 cm) Ideal tank size: 20 gal (75 L)+ Temperament: Peaceful