Chitala is a genus of featherback knifefishes in the family Notopteridae, distributed across South and Southeast Asian river systems in Cambodia, Indonesia, Laos, Thailand, Malaysia, Vietnam, Bangladesh, and India. They share the notopterid body plan: a long, laterally compressed body tapering to a point, propelled by an undulating anal fin that lets the fish hover, reverse, and maneuver with precision. Atlas species span an enormous size range, from about 15.5 in up to 59 in at full size, making this one of the largest-growing genera covered in the atlas.
The clown knifefish, Chitala ornata, is the genus's aquarium mainstay, instantly recognizable by the row of eye-like spots along its anal fin and popular despite an eventual size that demands a very large predatory-fish setup. The giant featherback (C. lopis) and humped featherback (C. chitala) are occasionally seen in the specialist trade as well, while the royal featherback (C. blanci) remains essentially unknown to hobbyists. Conservation concerns run deeper here than in most aquarium genera: the atlas records one Chitala species as Extinct and two more as Near Threatened, a legacy of dam construction and habitat change across the Mekong and other river systems where several Chitala species are endemic.