Nimbochromis

Can live up to 10 years. By Photograph by Mike Peel (www.mikepeel.net)., CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=33767401

They can live for 6-10 years. By Wen2li3 at English Wikipedia, CC BY 2.5, https://commons.wikimedia.org/w/index.php?curid=34651578

They can live for 5-8 years. Male: By Cymothoa exigua - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=6440212 Female: By Mike Kean, CC BY 2.5, https://commons.wikimedia.org/w/index.php?curid=18751925