The warrior catfish[1] (Hemiarius dioctes) is a species of catfish in the family Ariidae. It was described by Patricia J. Kailola in 2000, originally under the genus Arius. It inhabits marine and freshwaters in New Guinea and Australia. It reaches a standard length of 120cm (50inches), and a maximum weight of 19kg (42lb).
The species epithet "dioctes", derived from Ancient Greek, refers to the species' hunting qualities.