Mature adult Ghost Knife Fish These nocturnal fish increase substantial, achieving about twenty inches (51 cm), they need a considerable aquarium with space to maneuver. You’ll usually obtain them from the shops as juveniles only 4 inches, so in that situation you have time to improve the tank dimension as https://fishtankcleaner.blogspot.com/2023/06/tips-to-keep-your-fish-healthy-in-tank.html