Gobies are small, unique fish, ideal for aquariums with a temperature range of 22-28°C and pH of 6.0-8.0. Growing 1-4 inches, they mostly dwell at the bottom. Generally peaceful, they vary in temperament by species and are compatible with non-aggressive fish. Popular for their distinctive behavior, gobies are hardy, though some require specific care. Often kept individually or in pairs, they need about 5-10 liters per fish. A notable trait is their ability to form symbiotic relationships with species like pistol shrimp.