Guatemala
Checklist of Endemic Freshwater Fish Species
This list of freshwater fish species found exclusively in Guatemala is based on the taxonomy used in Eschmeyer's Catalog of Fishes (2023). For further details on possible inaccuracies in the list see Sources & Caveats.
Fricke, R., Eschmeyer, W. N. & Van der Laan, R. (eds) 2023 Catalog of Fishes: Genera, Species, References. Version downloaded 9 February 2023 https://researcharchive.calacademy.org/research/ichthyology/catalog/fishcatmain.asp
The current version can be accessed here
Astyanax baileyi
(Characiformes Characidae)
Astyanax cubilhuitz
(Characiformes Characidae) Cubilhuitz Tetra
Astyanax dorioni
(Characiformes Characidae)
Astyanax petenensis
(Characiformes Characidae) Petén Tetra
Mayaheros trispilus
(Cichliformes Cichlidae)
Rocio spinosissima
(Cichliformes Cichlidae) Spiny Cichlid
Poecilia petenensis
(Cyprinodontiformes Poeciliidae) Slender
Petén Molly
Poecilia rositae
(Cyprinodontiformes Poeciliidae) Lanquín Toothcarp
Pseudoxiphophorus
attenuatus (Cyprinodontiformes
Poeciliidae)
Pseudoxiphophorus
cataractae (Cyprinodontiformes
Poeciliidae) Cataract Twinspot Livebearer
Pseudoxiphophorus
diremptus (Cyprinodontiformes Poeciliidae) Chajmaic
Twinspot Livebearer
Pseudoxiphophorus
litoperas (Cyprinodontiformes Poeciliidae) Silfin
Twinspot Livebearer
Pseudoxiphophorus obliquus
(Cyprinodontiformes Poeciliidae) Doloris
Twinspot Livebearer
Scolichthys greenwayi
(Cyprinodontiformes Poeciliidae) Big-spot
Mosquitofish
Scolichthys iota
(Cyprinodontiformes Poeciliidae) Iota
Livebearer
Xiphophorus signum
(Cyprinodontiformes Poeciliidae) Comma
Swordtail
Cynodonichthys degreefi
(Cyprinodontiformes Rivulidae)
Potamarius izabalensis
(Siluriformes Ariidae)
Pseudophallus galadrielae
(Syngnathiformes Syngnathidae)