Guianacara

{{Short description|Genus of fishes}}

{{Automatic taxobox

| image = Guianacara sphenozona (6260217551).jpg

| image_caption = Guianacara sphenozona

| image2 = Guianacara stergiosi.jpg

| image2_caption = Guianacara stergiosi

| taxon = Guianacara

| display_parents = 3

| authority = Kullander & Nijssen, 1989

| type_species = Guianacara owroewefi

| type_species_authority = Kullander & Nijssen 1989

}}

Guianacara is a small genus of cichlid fish endemic to freshwater habitats in the Guiana Shield in South America.{{cite web|url=http://www.calacademy.org/research/ichthyology/catalog/fishcatsearch.html|title=Catalog of Fishes|author=Eschmeyer W.|publisher=California Academy of Sciences|accessdate=2009-01-06|archive-date=2008-01-06|archive-url=https://web.archive.org/web/20080106163337/http://www.calacademy.org/research/ichthyology/catalog/fishcatsearch.html|url-status=dead}}{{cite book | editor1=van der Sleen, P. | editor2=J.S. Albert | year=2017 | title=Field Guide to the Fishes of the Amazon, Orinoco, and Guianas | publisher=Princeton University Press | page=375 | isbn=978-0691170749 }} They mostly live in moderately flowing clear- or blackwater rivers and streams, but also occur in lagoons that are seasonally flooded.{{cite journal |author1=López-Fernández, H. |author2=D.C. Taphorn |author3=S.O. Kullander | title=Two New Species of Guianacara from the Guiana Shield of Eastern Venezuela (Perciformes: Cichlidae) | year=2006 | journal=Copeia | volume=2006 | issue=3 | pages=384–395 | doi=10.1643/0045-8511(2006)2006[384:tnsogf]2.0.co;2| s2cid=85968817 }}{{cite journal |author1=Arbour, J.A. |author2=H. López-Fernández | title=Guianacara dacrya, a new species from the rio Branco and Essequibo River drainages of the Guiana Shield (Perciformes: Cichlidae) | year=2011 | journal=Neotrop. Ichthyol. | volume=9 | issue=1 | doi=10.1590/S1679-62252011000100006 | pages=87–96| doi-access=free | url=https://zenodo.org/records/5423090/files/source.pdf }} They are typically found over bottoms consisting of sandy patches intermixed with large rocks.

The different species all have a dark line through the eye (its strength varies), but the adults can be separated by the appearance of the dark bar or spot on the mid-body. They reach up to {{convert|12|cm|in|abbr=on}} in standard length.{{FishBase genus | genus = Guianacara| month = October | year = 2017}} They mainly feed on small invertebrates.