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: Mikrogeophagus: Greek, mikros = small + Greek, gea = earth + Greek, phagein, to eat.
Environment / Climate / Range
Freshwater; benthopelagic; pH range: 5.0 - 6.0; dH range: 5 - 12; non-migratory. Tropical; 27°C - 30°C (Ref. 30491)
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 3.4 cm SL male/unsexed; (Ref. 36377)
South America: Orinoco River basin, in the llanos of Venezuela and Colombia.
Used in behavioral studies (Ref. 4537). Aquarium keeping: in pairs; minimum aquarium size 60 cm (Ref. 51539).
Female cares for eggs and larvae (Ref. 47893.
Kullander, S.O., 2003. Cichlidae (Cichlids). p. 605-654. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 36377)
IUCN Red List Status (Ref. 96402)
CITES (Ref. 94142)
Threat to humans
Fisheries: of no interest; aquarium: commercial
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01202 (0.00531 - 0.02721), b=3.03 (2.83 - 3.23), based on LWR estimates for this Subfamily-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.2 ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (tm<1).
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .