Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Cichlidae
(Cichlids) > Cichlasomatinae
Etymology: Laetacara: Latin, laetus = happy + tupí, guaraní acará = a name of a fish (Ref. 45335); araguaiae: Named for Araguaia, the river basin where the species was found. More on authors: Ottoni & Costa.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic. Tropical
South America: Rio Verde, rio Araguaia basin in central Brazil.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 3.6 cm SL male/unsexed; (Ref. 80972)
Morphology | Morphometrics
(total): 14 - 15;
soft rays: 7 - 9;
Vertebrae: 24. Diagnosed from all other species of the genus by having the following combination of characters: dorsal-fin rays 7-8; narrow ectopterygoid; head depth 80.0-88.7 % mm HL; snout length 26.7-32.2 % mm HL; scales on longitudinal series 23-25; no spot on dorsal-fin; cycloid scales on the head sides; presence of a caudal-fin base spot; total vertebrae 24; scales on the upper the lateral line 12-14; scales on the lower lateral line 6-8; and absence of a dark dot at the edge of each scale on the midlateral portion of the flank (Ref. 80972).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Ottoni, F.P. and W.J.E.M Costa, 2009. Description of a new species of Laetacara Kullander, 1986 from central Brazil and re-description of Laetacara dorsigera (Heckel, 1840) (Labroidei: Cichlidae: Cichlasomatinae). Vertebr. Zool. 59(1):41-48. (Ref. 80972)
IUCN Red List Status (Ref. 120744)
CITES (Ref. 118484)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02042 (0.00882 - 0.04727), b=3.10 (2.91 - 3.29), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.1 ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref. 120179
): High, minimum population doubling time less than 15 months ().
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .