Atlantis has been found! And it"s in your aquarium. Also it"s the Penn Plax Lost City of Atlantis Lagoon Arena - Small and not the real city - but that"s close, right? This awesome piece of underwater décor is supremely detailed and will definitely blow you away. Fish love to swim around it, too, even if they can"t appreciate its aesthetic brilliance. * Crafted from durable resin * Elegantly designed Atlantis lagoon arena * Non-toxic and fish-safe * Provides fish with an obstacle to swim around * Dimensions: 8L x 6.5W x6H in.