Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Cichlidae
(Cichlids) > Cichlinae
Etymology: Crenicichla: Latin, crenulatus = cut, clipped + Greek, kichle = wrasse (Ref. 45335). More on author: Heckel.
Environment / Climate / Range
Freshwater; benthopelagic; pH range: 7.0 - ? ; dH range: 12 - ?; potamodromous (Ref. 51243). Subtropical; 23°C - 28°C (Ref. 2060), preferred ?
South America: Paraná River basin, widespread in the Paraguay River drainage in Brazil and Paraguay and the lower Paraná (below Guaira) in Paraguay and Argentina, and also along the coast of the Rio Grande do Sul, Brazil. Also found in the middle and lower Uruguay River in Brazil and Uruguay. Amazon River basin in the Guaporé River drainage in Brazil and Bolivia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 18.0 cm SL male/unsexed; (Ref. 36377)
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Females reach sexual maturity at 14 cm, males at 18 cm (Ref. 2060).
Lucena, C.A.S. and S.O. Kullander, 1992. The Crenicichla (Teleostei: Cichlidae) species of the Uruguai River drainage in Brazil. Ichthyol. Explor. Freshwat. 3(2):97-160. (Ref. 26688)
IUCN Red List Status (Ref. 109396)
CITES (Ref. 94142)
Threat to humans
Fisheries: of no interest; aquarium: commercial
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), based on all LWR estimates for this body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.6 ±0.51 se; Based on food items.
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (25 of 100) .