Rufiji River
Nothobranchius ocellatus is a species of killifish in the family Nothobranchiidae. It is endemic to Tanzania. This species was described as "Paranothobranchius ocellatus" in 1985 by Lothar Seegers with the type locality given as being a swamp between Mtanza and the northern entrance of the Selous Game Reserve in the drainage basin of the Rufiji River north of Rufiji in eastern Tanzania.