Aquarium Arched Underground Cave (Tall Version) This underground natural looking cave is the perfect accessory for an original and eye catching tank! Of all the caves available in my store this is the most spacious one, I recommend it if you want to build a scape inside! FIsh love to swim and hide inside it, this cave offers a darker place for them to feel safe and relaxed away from bright aquarium lights You have room in this cave to match your surface aquascape or to create a whole new…