Purpose-built isolation shelter for aquariums: durable, crystal-clear protective compartment that creates a separate, visible space for breeding or protecting sensitive fish while preserving an unobstructed view of underwater life. Key benefits: Protects vulnerable stock — isolates sick, pregnant, or young fish to reduce stress and limit contact with tankmates. Simplifies husbandry — partitioned design allows independent housing, easy feeding access and straightforward observation without moving animals in and out of the main tank. Maintains aquarium health — keeps aggressive or territorial individuals separated while maintaining water contact with the main tank to reduce shock from transfers. Features and compatibility: Made from tough, transparent material that guarantees long-lasting clarity and continuous visibility of the enclosed animals. Partitioned, independent compartment design to separate individual fish or groups as needed. Tool-free mounting with suction-cup attachment suitable for most aquarium types and glass thicknesses. Lightweight construction for easy handling, placement and removal. Typical applications (practical use scenarios): 1. Guppy breeding: keep fry and pregnant females safely separated until fry are large enough to swim freely with the main population. 2. Betta (Siamese fighting fish) isolation: house an aggressive individual temporarily for observation, feeding or recovery without risking injury to other fish. 3. Turtle or multi-species separation: isolate a small turtle or incompatible tankmate for acclimation, medical treatment or controlled feeding. Why customers choose this unit: Clear, durable design balances visibility and protection. Quick, tool-free installation and stable suction mounting for most tanks. Flexible use across breeding, quarantine and routine management tasks while preserving overall aquarium stability and water conditions.