Cichla monoculus

{{Short description|Species of fish}}

{{Speciesbox

| image = ButterflyPeacockBass 01.jpg

| image2 = Kammbuntbarsch.jpg

| genus = Cichla

| species = monoculus

| status = LC

| status_system = IUCN3.1

|status_ref={{cite iucn|author=Frederico, R.G.|year=2023|title=Cichla monoculus|page=e.T49830122A159171742|doi=10.2305/IUCN.UK.2023-1.RLTS.T49830122A159171742.en|access-date=2 January 2024}}

| authority = Agassiz, 1831

}}

Cichla monoculus, sometimes known as the tucanare peacock bass{{citation needed|date=January 2024}} ("peacock bass" is also used for some of its relatives) or toukounaré, is a very large species of cichlid, and a prized game fish. It is native to the Amazon basin in South America, but has also been introduced to regions outside its natural range (e.g., Florida and Hawaii). It reaches {{convert|80|cm|in|abbr=on}} in length and {{convert|9|kg|lb|abbr=on}} in weight.{{FishBase |genus= Cichla |species= monoculus |month= April |year= 2011}}