Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal. Tropical; 25°C - 28°C (Ref. 2059); 21°N - 19°N
Central America: endemic to Lerma River basin, Mexico.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 5.0 cm TL male/unsexed; (Ref. 2059); 6.0 cm TL (female)
Used for cancer research.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Lyons, J., G. González-Hernandéz, E. Soto-Galera and M. Guzmán-Arroyo, 1998. Decline of freshwater fishes and fisheries in selected drainages of west-central Mexico. Fisheries 23(4):10-18. (Ref. 27639)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Endangered (EN) (A2ac; B1ab(i,ii,iii,iv)+2ab(i,ii,iii,iv)); Date assessed: 14 March 2018
Threat to humans
Harmless
Human uses
Fisheries: commercial; aquarium: commercial
Tools
Special reports
Download XML
Internet sources