Easy installation and removal Designed for quick intank mounting and removal so you can isolate, inspect, or move fish without tools. Works with common aquarium setups and supports a range of small livebearers and fry. Clear, durable construction Made from rigid, transparent plastic to give an unobstructed view of fry and breeding behavior. Durable material withstands routine handling while maintaining visibility for monitoring. Spaceefficient design Compact form fits neatly inside most tanks without taking up excessive swim space. Allows you to protect or quarantine fish without rearranging the main aquarium layout. What this product solves Protects newborn fry from adult fish, improving survival rates during the critical first days. Provides a calm, visible environment for pregnant or recovering fish to reduce stress. Lets you monitor development and remove or fish quickly as needed. Key attributes Function: intank breeding, hatching, isolation, and quarantine for small fish species. Compatibility: suitable for a wide range of aquarium types and small livebearing species (e.g., guppies). Material: transparent plastic for clear observation and reliable performance. Size: compact and spacesaving for easy placement in the tank. Practical use scenarios 1) Guppy hatchery: place gravid females in the box for safe birthing and to keep fry separated from adults until they are large enough to be released. 2) Quarantine and recovery: isolate injured or sick small fish for treatment and close observation without removing the main aquarium's setup. 3) Temporary isolation during feeding or breeding: separate males, females, or fry to prevent predation or to control pairings. Simple to use, easy to observe, and designed for breeding and isolation tasks where transparency, durability, and compactness matter.