VAYINATO Boyu Aquarium Breeding & Isolation Box. Specially designed for breeding, isolating, and protecting delicate fish, this compact hatchery box provides a secure environment inside your aquarium. It helps prevent adult fish from harming fry while allowing proper water circulation, ensuring a stress-free and natural habitat for breeding fish. Made from durable and transparent material, this isolation box allows easy monitoring of fish behavior while maintaining optimal water flow. Its smart design supports breeding, acclimation, and recovery of injured or aggressive fish, making it a versatile tool for aquarium hobbyists. Ideal for guppies, bettas, mollies, and other small fish, this hatchery box is an essential accessory for maintaining a balanced and thriving aquarium ecosystem.