Killifish are vibrant and adaptable, ideal for community aquariums. They thrive in temperatures of 20-24°C and pH levels of 6.0-7.5. These small fish grow up to 3 inches and are versatile for various tank zones. Known for their peaceful nature and hardiness, they suit both beginners and expert aquarists. Generally kept in groups of 4-6, they require about 2-3 liters per fish. Notably, killifish exhibit diverse breeding methods, including laying eggs in water or on moist peat.