van Jaarsveld, E. (December 2013). Otjikoto Tilapia.Archived 2017-05-17 at the Wayback Machine South African National Biodiversity Institute. Retrieved 18 April 2017.
van Jaarsveld, E. (December 2013). Otjikoto Tilapia.Archived 2017-05-17 at the Wayback Machine South African National Biodiversity Institute. Retrieved 18 April 2017.