- Durable stainless steel frame extends the life of the unit, while rounded edges and a removable mesh lid enhance safety and promote efficient water flow for the breeding box. - Tool-free, secure height and water level adjustment: synchronized water level with flexible height adjustment allows quick setup and reliable operation without complex tools. - Broad compatibility: suitable for both freshwater and saltwater aquariums; provides a safe growth space for fry, isolates sick fish, and reduces aggression among tank inhabitants. - Advanced care for delicate species: minimizes disturbances and offers targeted protection, increasing survival through balanced visibility and stability. - Use scenarios: - Fry rearing in a mixed community tank to protect young fish while maintaining water exchange. - Quarantine or observation of new or injured fish without moving them to the main tank. - Protecting delicate marine or brackish species in a shared tank by providing a stable, controlled space.