An uncommon and distinctive species of knifefish from Southeast Asia, the Royal Clown Knife is found in fast-moving waters of the middle Mekong. A predatory species with a surprisingly large mouth, they can easily eat fish up to 1/3rd their size in many cases. Despite their predatory nature, they are peaceful towards nearly all tankmates too big to be eaten. Instead of the row of spots on the body. They black diagonal patterns.