Teleostei (teleosts) >
Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Cyprinodontidae (Pupfishes) > Cyprinodontinae
Etymology: Cyprinodon: Latin, cyprinus = carp + Greek, odous = teeth (Ref. 45335); inmemoriam: Specific name inmemoriam is used as a sustantive in apposition; a Latin expression meaning remember after death; referring to the species being described after is extinction.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic; non-migratory. Tropical
Central America: Extinct; formerly from Río San Juan system, Mexico.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 7.5 cm TL male/unsexed; (Ref. 27139)
This species is distinguished from its congeners in having the following characters: 4th ceratobranchial with up to 4 teeth, at least on one side; maxilla shortest at 0.68 times in anal fin base; postdorsal-postanal length short 0.8 times in caudal peduncle length; head and body greyish blue, bars obsolete; eye 1.2 times in anal fin base; head 3.0 times in SL; anal fin base short 3.3 times in head length; dorsal fin short, reaching anterior third of caudal peduncle (Ref. 26729).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Lozano-Vilano, M. de L. and S. Conteras-Balderas, 1993. Four new species of Cyprinodon from southern Nuevo León, Mexico, with a key to the C. eximius complex (Teleostei: Cyprinodontidae). Ichthyol. Explor. Freshwat. 4(4):295-308. (Ref. 26729)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
Tools
Special reports
Download XML
Internet sources
