Sizes and configuration - Small pneumatic model: 10.2 x 8.2 x 13.3 cm (4.02 x 3.23 x 5.24 in). Isolation: two compartments. - Medium pneumatic model: 14.5 x 8.5 x 14.5 cm (5.71 x 3.35 x 5.71 in). Isolation: four compartments. - Large pneumatic model: 18.5 x 9 x 15.5 cm (7.28 x 3.54 x 6.10 in). Isolation: four compartments. Material and build - Made from high quality clear acrylic with precise workmanship. - Safe and suitable for breeding, isolating, or acclimating fish. What it does and why you need it - Provides a closed, visible space to breed or isolate fish without disturbing the main tank. - Helps prevent aggression, injury, and fry predation by separating vulnerable fish, fry, or stressed specimens. - A convenient nursery and quarantine option that supports higher survival for newborn fry and delicate fish. Isolation and layout details - Small model features two isolated chambers; medium and large models feature four isolated chambers. - The double-layer design increases usable space within the same footprint. - Suitable for isolating pregnant fish (eg, betta, livebearers like platies and guppies) to protect fry from being eaten or attacked. - Keeps injured or weak fish, shrimp, or other small tank inhabitants safe. Mounting and water flow - Suction cup mounting and a floating design provide secure attachment to the tank. - Side ventilation holes allow water flow while preventing small fish from escaping. - Side pump port enables connection of an air pump to oxygenate the water as needed. Practical applications - Breeding and creche: place pregnant fish or newborn fry in the isolation chambers to prevent cannibalism and increase survival rates. - Quarantine and recovery: isolate injured or stressed fish, or separate aggressive species from the main tank to reduce conflict. - Small tank management: create a temporary nursery for fry or a safe zone for delicate juveniles in community setups. Compatibility and use tips - Designed for standard home aquariums; mounts securely with included suction cups. - Use the side pump port to add aeration if desired, enhancing oxygenation in the isolation chambers. - The clear acrylic design allows easy observation of fish behavior and health at a glance. Notes - The product emphasizes safe handling for breeding, isolation, and acclimation needs, with multiple isolation chambers to fit different fish and fry scenarios.