''Guianacara'' is a small

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

cichlid Cichlids () are a large, diverse, and widespread family of percomorph fish in the family Cichlidae, order Cichliformes. At least 1,760 species have been scientifically described, making it one of the largest vertebrate families, with on ...

fish

endemic Endemism is the state of a species being found only 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 foun ...

to freshwater habitats in the

Guiana Shield The Guiana Shield (; ; ; ) is one of the three cratons of the South American Plate. It is a 1.7 billion-year-old Precambrian geological formation in northeast South America that forms a portion of the northern coast. The higher elevations on ...

in South America. They mostly live in moderately flowing clear- or

blackwater Blackwater or Black Water may refer to: Health and ecology * Blackwater (coal), liquid waste from coal preparation * Black water (drink), a health drink * Blackwater (waste), wastewater containing feces, urine, and flushwater from flush toilets * ...

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 fish anatomy, their anatomies, for data used in many areas of ichthyology, including Taxonomy (biology), taxonomy and fishery biology. Overall length Standard length (SL) is ...

. 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), ''Arbor'' (installation), a 2013 public artwork in Indianapolis, Indiana, US * Arbor, a counterweight-carrying device found in theater fly system#Arbors, fly syste ...

& 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 {{Cichlinae-stub