''Guianacara'' is a small
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
of
cichlid
Cichlids are fish from the family Cichlidae in the order Cichliformes. Cichlids were traditionally classed in a suborder, the Labroidei, along with the wrasses ( Labridae), in the order Perciformes, but molecular studies have contradicted this ...
fish
endemic
Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...
to freshwater habitats in the
Guiana Shield
The Guiana Shield (french: Plateau des Guyanes, Bouclier guyanais; nl, Hoogland van Guyana, Guianaschild; pt, Planalto das Guianas, Escudo das Guianas; es, Escudo guayanés) is one of the three cratons of the South American Plate. It is a ...
in South America.
They mostly live in moderately flowing
clear- or
blackwater rivers and streams, but also occur in lagoons that are seasonally flooded.
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 in ]standard length
Fish measurement is the measuring of individual fish and various parts of their anatomies. These data are used in many areas of ichthyology, including taxonomy and fisheries biology.
Overall length
* Standard length (SL) is the length of a fish m ...
. They mainly feed on small invertebrates.[
]
Species
The seven recognized species in this genus are:[
* '' Guianacara cuyunii'' López-Fernández, Taphorn & Kullander, 2006
* '' Guianacara dacrya'' ]Arbour
Arbor(s) or Arbour(s) may refer to:
Arts and entertainment
* ''Arbor'' (installation), a 2013 public artwork in Indianapolis, Indiana, US
* Arbor, a counterweight-carrying device found in theater fly systems
* ''The Arbor'', a 1980 play by Andr ...
& López-Fernández, 2011
* '' Guianacara geayi'' ( Pellegrin, 1902)
* '' Guianacara oelemariensis'' Kullander & Nijssen, 1989
* '' Guianacara owroewefi'' Kullander & Nijssen, 1989
* '' Guianacara sphenozona'' Kullander & Nijssen, 1989
* '' Guianacara stergiosi'' López-Fernández, Taphorn & Kullander, 2006
References
Geophagini
Fish of South America
Cichlid genera
Taxa named by Sven O. Kullander
Taxa named by Han Nijssen
{{Cichlidae-stub