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: Geophagus: Greek, gea = the earth + Greek, phagein = to eat (Ref. 45335). More on authors: Quoy & Gaimard.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; brackish; benthopelagic; pH range: 6.5 - 7.0; dH range: 5 - 10; potamodromous (Ref. 51243). Tropical; 20°C - 23°C (Ref. 1672)
South America: Coastal drainages of eastern and southern Brazil and Uruguay.
Length at first maturity / Size / Weight / Age
Maturity: Lm 9.1  range ? - ? cm
Max length : 28.0 cm TL male/unsexed; (Ref. 36377); common length : 9.0 cm TL male/unsexed; (Ref. 12193)
Quite popular with aquarists.
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. 123251)
CITES (Ref. 123416)
Threat to humans
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01862 (0.01482 - 0.02340), b=3.03 (2.97 - 3.09), in cm total length, based on LWR estimates for this species (Ref. 93245
Trophic level (Ref. 69278
): 2.6 ±0.26 se; based on food items.
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Fec=600-800).
Vulnerability (Ref. 59153
): Low to moderate vulnerability (31 of 100) .