They can live up to 25 years with proper care.
By User:Qwertzy2 - Taken by User:Qwertzy2, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=226294
By P. Smit, J. Green - Boulenger, George Albert; Loat, L. 1907. The fishes of the Nile. London, Pub. for the Egyptian government by H. Rees, ltd. Pl. XIV. doi:10.5962/bhl.title.51710 http://www.biodiversitylibrary.org/page/35727320#page/62/mode/1up, Public Domain...