Mature adult Ghost Knife Fish These nocturnal fish develop big, reaching close to 20 inches (51 cm), they will need a large aquarium with Room to maneuver. You’ll generally discover them while in the shops as juveniles only 4 inches, so in that circumstance you have time to up grade https://www.mediafire.com/file/zqbcycbyx95x8sw/Benefits_of_Aquarium_Moving_Services/file