Paraguay
Checklist of Endemic Freshwater Fish Species
This list of freshwater fish species found exclusively in Paraguay is based on the taxonomy used in FishBase 2004 (2004). For further details on possible inaccuracies in the list see Sources & Caveats.
FishBase 2004: a global information system on fishes. DVD. WorldFish Center - Philippine Office, Los Banos, Philippines. Published in May 2004.
The current version of this electronic database is accessible here.
OC = a FishBase occurrence record suggests a specimen from another country outside normal stated range ( these vary widely in reliability from obvious misidentifications to being almost certainly correct)
Aphyocharax rathbuni OC (Characidae) Redflank Bloodfin
Astyanax ascuncionensis OC (Characidae)
Astyanax paraguayensis (Characidae)
Astyanax pelegrini OC (Characidae)
Bryconamericus exodon OC (Characidae)
Creagrutus paraguayensis (Characidae)
Hemigrammus tridens OC (Characidae) Cross-spot Tetra
Hyphessobrycon arianae (Characidae)
Hyphessobrycon procerus (Characidae)
Hyphessobrycon pytai (Characidae)
Mimagoniates barberi OC (Characidae)
Mixobrycon ribeiroi (Characidae)
Characidium etzeli (Crenuchidae)
Characidium laterale OC (Crenuchidae)
Pimelodella mucosa OC (Heptapteridae)
Pimelodella parva (Heptapteridae)
Ancistrus pirareta (Loricariidae)
Ancistrus piriformis (Loricariidae)
Hypostomus dlouhyi (Loricariidae)
Hypostomus latifrons (Loricariidae)
Paraloricaria agastor (Loricariidae)
Iheringichthys megalops OC (Pimelodidae)
Megalonema pauciradiatum (Pimelodidae)
Simpsonichthys chacoensis (Rivulidae) Chaco Lyrefin
Plagioscion ternetzi OC (Sciaenidae) Freshwater Croaker
Homodiaetus anisitsi OC (Trichomycteridae)Additional endemic freshwater fish species that were described too recently to be included in FishBase 2004 are given below. This list is primarily based on information from the 13 March 2009 version of the Catalog of Fishes database (current version here) and includes species described through 2008. In addition to the 26 endemic freshwater fish species listed above, these additional 8 species total 34 species of freshwater fishes known solely from Paraguay.
Australoheros guarani (Cichlidae) 2008
Gymnogeophagus caaguazuensis (Cichlidae) 2006
Otocinclus mimulus (Loricariidae) 2003
Rineloricaria aurata (Loricariidae) 2003
Phallotorynus dispilos (Poeciliidae) 2005
Phallotorynus psittakos (Poeciliidae) 2005
Microglanis carlae (Pseudopimelodidae) 2008
Austrolebias paranaensis (Rivulidae) 2006