Protective breeding and isolation box for aquariums Key benefits — why you need it Protects vulnerable fish: Creates a safe, enclosed space for fry and weaker fish so they can grow without being bullied or eaten by larger tankmates. Simple aquarium management: Separate chambers let you isolate sick, pregnant or young fish for treatment, observation and targeted feeding without moving them into another tank. Clear viewing, preserved aesthetics: Transparent acrylic walls provide unobstructed sight into the aquarium so you can monitor behavior and health while keeping a neat appearance. What makes it stand out Durable acrylic construction: Robust, clear acrylic walls resist warping and keep the unit visually unobtrusive inside the tank. Multiple chambers with dividers: Independent compartments let you house several individuals or groups separately for breeding, recovery or conditioning. Tool-free, secure mounting: Suction-cup attachment holds the box in place in most aquariums and installs without tools; lightweight design allows easy repositioning and readjustment. Easy feeding and care: Openings and compartment layout allow straightforward feeding and maintenance while fish remain isolated. Compatibility and function Material: Clear acrylic walls for strength and visibility. Fits most aquariums: Suction-cup mounting and compact, lightweight design make it compatible with a wide range of glass or acrylic tanks. Performance: Designed for reliable isolation, easy observation, and practical day-to-day use in home or hobby aquaria. Typical use scenarios 1) Guppy breeding: Place gravid females and fry in separate chambers to protect newborns from adult fish and to simplify monitoring growth and feeding. 2) Betta (fighting fish) isolation: Provide a stress-reducing enclosure for injured or aggressive bettas to recover without constant contact with other fish. 3) Turtle or small reptile separation: Temporarily separate small turtles or similar tank inhabitants during feeding, vet care, or acclimation periods. Practical notes Install the box with the suction cups against clean aquarium glass or acrylic for best hold. Use the independent chambers to separate individuals by size, health status or breeding condition. Lightweight construction makes it easy to lift out for cleaning or to reposition as tank layout changes. Designed to provide a safe, visible and easy-to-manage solution for breeding, isolating and protecting fish and small aquatic animals in most home aquariums.