Partitioned Acrylic Breeder Box — Safe, clear, and practical isolation for your aquarium Key benefits Prevents territorial aggression: solid, partitioned design separates species and individuals to reduce fighting and stress. Protects vulnerable fish: independently isolates sick, pregnant, or juvenile fish to improve survival and simplify care. Maintains healthy water flow: evenly spaced water holes ensure gentle circulation and a clean habitat for thriving aquatic life. Quick, tool-free setup: suction-cup mounting holds the box securely in place and allows fast repositioning without tools. What it does and why you need it Provides a dedicated, visible refuge inside the tank so you can manage feeding, medication, or breeding without netting or moving fish. Keeps separated fish within the main aquarium environment, preserving natural water conditions and reducing acclimation shock. Improves daily maintenance by making targeted feeding and monitoring straightforward and less disruptive to the rest of the tank. Key features Material: high-transparency acrylic for a rigid, durable structure that blends seamlessly into the aquarium while preserving visibility. Design: partitioned compartments allow independent isolation for multiple fish at once. Water management: evenly distributed holes promote smooth exchange between the breeder box and the aquarium to keep water clean and oxygenated. Mounting: suction-cup fixation secures the box to the aquarium glass without tools; lightweight construction makes repositioning easy. Compatibility: suitable for most standard aquariums; installs internally without altering tank setup. Practical use scenarios Isolating a sick fish for treatment while keeping it in the tank water to reduce stress and maintain stable parameters. Protecting pregnant fish and newly born fry from adult tankmates during birthing and early development stages. Separating aggressive or territorial individuals during introductions or when pairing for breeding to prevent injury. Installation and care Attach the breeder box to the inside glass using the included suction cups; no tools required. Position where flow is gentle; the hole pattern provides continuous exchange with tank water—monitor flow and adjust placement as needed. Clean with aquarium-safe methods and avoid abrasive cleaners to preserve acrylic clarity. What to expect A stable, transparent isolation solution that supports targeted care, reduces stress from conflict, and helps maintain a healthy microenvironment for sensitive fish—all without removing them from the main aquarium.