Lees Ghost HouseLees Ghost Houses are clear cylinders with two legs that anchor them in the aquarium gravel. A safe hiding place for fish that use radar or sonar navigation system such as Ghost Knife Fish, Catfish, Baby Whales and Elephantnose. Two legs that anchor them in the aquarium gravel Safe hiding place for fish Great for fish that use radar or sonar navigation system While inside the Ghost House, the radar of these fish tells them they are hidden, allowing