Aquarium Arched Underground Cave (Tall Version) This underground natural looking cave is the perfect accessory for an original and eye catching tank! Please check the dimensions at the end of the description to make sure this is the right product for you. 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 contrasting underground world! Pictures showcase the cave in a 30 cm nano aquarium Dimensions: 230x150x160 mm 9x5.90x6.3 inches Custom sizes can be made (contact me directly)