Supports fish spawning: Simulates dense vegetation, provides hiding spots for eggs and fry, and protects spawning habitats to improve breeding success. Compatible with standard spawning tanks and brood nets. Waterresistant and odor: Made from washable fabric that withstands water exposure and resists odor buildup, helping maintain a safe, scent environment for extended use. Efficient egg transfer aid: Designed for easy cleaning after each use; supports multiple spawning cycles and assists in transferring eggs onto brood nets with minimal handling. Efficient fish monitoring: Provides clear visibility of activity, stable buoyancy via the foam ring, and easy removal to streamline daily operations. Size and compatibility: Available in S, M, L sizes to fit standard tanks and broodnet configurations. Care instructions included; rinse after use and air dry. Use scenarios: Small home aquarium (20–40 L): use to simulate vegetation, protect eggs, and observe fry development. Hobby breeder with multiple spawns (40–100 L): manage several spawns, transfer eggs to brood nets, and monitor progress. Educational or small facility: demonstrate spawning and fry rearing in classrooms or displays.