Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopteri (ray-finned fishes) > Cichliformes
(Cichlids, convict blennies) > Cichlidae
(Cichlids) > Geophaginae
Etymology: Apistogramma: Greek, apisto = uncertain + Greek, gramma = graphic signal (Ref. 45335); playayacu: Named for its type locality, the holotype was collected in the Quebrada Playayacu. A noun in apposition.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic. Tropical
South America: Rio Napo system, Ecuador.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 4.9 cm SL male/unsexed; (Ref. 88922)
Morphology | Morphometrics
(total): 14 - 16;
soft rays: 7 - 8. Distinguished from congeners by the combination of the following characters: seven to eight horizontal rows of mostly triangular black spots along sides; rounded caudal fin, horizontally
split spot on caudal base in males; straight, narrow cheek stripe, and body more high-backed
compared to similar species.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Römer, U., J. Beninde and I. Hahn, 2011. Apistogramma playayacu sp. n.: description of a new cichlid species (Teleostei: Perciformes: Geophaginae) from the Rio Napo system, Ecuador. Verteb. Zool. 61(3):321-333. (Ref. 88922)
IUCN Red List Status (Ref. 123251)
CITES (Ref. 123416)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02399 (0.01032 - 0.05579), b=3.01 (2.80 - 3.22), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.3 ±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) .