- Transparent breeder box with strong suction cups easily attaches to tank walls, creating a safe and visible space for isolating fish fry, eggs, or weak fish in both freshwater and saltwater aquariums. - Multi-functional design features a divider to separate different stages of fish, making it ideal for breeding bettas or angelfish and safely hatching eggs while protecting fry from adult fish in a shared tank. - Ventilated side slits enhance water circulation, ensuring stable temperature and adequate oxygen levels for delicate fry, facilitating acclimation or recovery during isolation. - Simple installation and repositioning require no tools, thanks to robust suction cups; perfect for breeders, hobbyists, and aquarium enthusiasts seeking a reliable hatchery incubator that seamlessly integrates into existing tank setups. Use scenarios: 1. Safely hatch and raise betta fry by isolating them from adult fish, preventing predation while ensuring optimal water conditions. 2. Utilize the divider to separate angelfish eggs from their parents, allowing for safe development without risk of harm. 3. Monitor and care for weak fish or newly introduced fish in a controlled environment, ensuring they receive the attention they need for recovery. This breeder box combines functionality and performance, making it an essential tool for any aquarist looking to enhance their breeding practices and ensure the health of their fish.