Aquascape® Faux Log Fish CaveProtect your pond fish from pesky predators. The Aquascape Faux Log Fish Cave provides pond fish, such as goldfish and koi, shelter from predators such as herons. The natural looking faux wood design blends well into any setting and can be used for indoor or outdoor use. Add to existing ponds, new ponds, or use as a decorative accent in the garden. The heavy duty, poly resin construction is built to last and stand up to the elements.