Zoo Med Paludarium Terrarium with Nano Aquarium Habitat Black, Clear 12 in x 24 in 4 galPaludarium Terrarium with a built in nano aquarium! Features: Water tight base allows you to add a "pond" or "water pool" thus incorporating a beautiful water feature with or without a waterfall. Holds up to 4 gallons of water. Front and top ventilation for natural air flow inside terrarium. Full front glass opening door with snap closure. Lockable door for safety and security.