Fish cave rest area with suction cups—plastic hideaway for fish to shelter; securely attaches to aquarium walls, doubling as functional decor.​Non-toxic plastic with smooth edges; cave structure offers safety; suction cups enable flexible placement (vertical/horizontal) in tanks.​Clean glass/suction cups before use; rinse decor first; avoid sharp tools; check suction tightness regularly to prevent falling.​Description:​This fish cave rest area is a must-have for aquarium enthusiasts, blending safe shelter for aquatic life with charming decor. Crafted from non-toxic, water-stable plastic, it contains no harmful substances that alter water chemistry, making it safe for bettas, shrimp, tetras, and other small fish. The cave’s smooth, burr-free edges protect fish fins and tails from injury, mimicking natural hiding spots to reduce stress.​Its standout feature is the built-in strong suction cups. Using , they attach firmly to clean aquarium glass after squeezing out air. This allows flexible placement—mount high on walls for surface-dwelling fish or low near gravel for bottom swimmers—without floor space. The cave’s compact size (typically 6×6×6 cm or similar) fits small to medium tanks, while its natural-toned design blends seamlessly with plants, gravel, or rocks.​Beyond shelter, it enhances aquascaping: the cave’s texture can grow beneficial biofilm for shrimp, and some styles accommodate moss planting in crevices. Installation is simple: wipe glass and suction cups clean, press firmly to attach, then rinse the cave before adding to water. For maintenance, use a soft brush to clean algae monthly without scratching the plastic.​Ideal for both beginners and experienced hobbyists, this cave combines functionality and aesthetics. Whether your fish need a nap spot or you want to elevate tank decor, it delivers reliable performance—just check suction tightness periodically to keep it secure.