Guyana
Checklist of Endemic Freshwater Fish Species
This list of freshwater fish species found exclusively in Guyana 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)
Leporinus megalepis OC (Anostomidae) Large-scaled Leporinus
Arius nuchalis (Ariidae)
Bunocephalus chamaizelus (Aspredinidae)
Auchenipterus brevior (Auchenipteridae)
Centromochlus reticulatus (Auchenipteridae)
Trachelyichthys decaradiatus (Auchenipteridae) Guyanan Pigmy Driftwood
Trachycorystes obscurus (Auchenipteridae)
Corydoras potaroensis (Callichthyidae)
Pseudocetopsis macilentus (Cetopsidae)
Acanthocharax microlepis (Characidae)
Aphyocharacidium melandetum OC (Characidae)
Aphyocharax erythrurus OC (Characidae) Flametail Tetra
Aphyocharax melanotus (Characidae)
Aphyodite grammica OC (Characidae)
Astyanax guianensis OC (Characidae) Guyana Tetra
Astyanax mutator OC (Characidae)
Astyanax potaroensis (Characidae)
Bryconamericus hyphesson OC (Characidae)
Hemigrammus cylindricus OC (Characidae)
Hemigrammus erythrozonus (Characidae) Glowlight Tetra
Hemigrammus iota (Characidae)
Hyphessobrycon catableptus (Characidae)
Hyphessobrycon eos (Characidae) Dawn Tetra
Hyphessobrycon minimus OC (Characidae) Mini Tetra
Hyphessobrycon minor OC (Characidae) White Minor
Jupiaba essequibensis OC (Characidae)
Jupiaba mucronata OC (Characidae)
Jupiaba potaroensis (Characidae)
Moenkhausia shideleri OC (Characidae)
Myleus latus (Characidae)
Myleus pacu OC (Characidae) Brown Giant Pacu
Parapristella aubynei (Characidae)
Phenacogaster carteri (Characidae)
Phenacogaster megalostictus OC (Characidae) Large-spot Glass Tetra
Serrasalmo emarginatus (Characidae)
Serrasalmo stagnatilis (Characidae)
Aequidens potaroensis OC (Cichlidae) Guyana Aequidens
Crenicichla wallacii OC (Cichlidae) Slender Pike Cichlid
Mazarunia mazarunii (Cichlidae) Mazaruni Cichlid
Nannacara bimaculata (Cichlidae) Potaro River Dwarf Cichlid
Ammocryptocharax lateralis OC (Crenuchidae)
Characidium pteroides OC (Crenuchidae)
Poecilocharax bovalii (Crenuchidae)
Skiotocharax meizon (Crenuchidae)
Brachyglanis frenata (Heptapteridae)
Brachyglanis melas (Heptapteridae)
Brachyglanis phalacra (Heptapteridae)
Myoglanis potaroensis (Heptapteridae)
Rhamdia foina (Heptapteridae)
Derhamia hoffmannorum (Lebiasinidae)
Nannostomus espei (Lebiasinidae) Barred Pencilfish
Nannostomus harrisoni OC (Lebiasinidae) Blackstripe Pencilfish
Nannostomus minimus (Lebiasinidae) Least Pencilfish
Ancistrus leucostictus OC (Loricariidae) Mana Ancistrus
Ancistrus lithurgicus (Loricariidae)
Ancistrus nudiceps (Loricariidae)
Corymbophanes andersoni (Loricariidae)
Corymbophanes kaiei (Loricariidae)
Guyanancistrus schomburgkii (Loricariidae)
Hypostomus hemiurus (Loricariidae)
Lithogenes villosus (Loricariidae)
Lithoxus bovallii OC (Loricariidae)
Lithoxus lithoides OC (Loricariidae) Rock Suckermouth
Loricariichthys microdon (Loricariidae)
Parotocinclus collinsae (Loricariidae)
Peckoltia braueri (Loricariidae)
Pseudacanthicus leopardus (Loricariidae) Orange-trim Sucker Catfish
Pseudancistrus guentheri (Loricariidae)
Pseudancistrus nigrescens (Loricariidae)
Sturisoma monopelte (Loricariidae)
Cephalosilurus albomarginatus OC (Pseudopimelodidae) Bee Catfish
Rhamphichthys schomburgki (Rhamphichthyidae)
Rivulus breviceps (Rivulidae) Shorthead Rivulus
Rivulus holmiae OC (Rivulidae) Goldentail Rivulus
Rivulus lanceolatus (Rivulidae)
Rivulus mazaruni (Rivulidae) Mazaruni Rivulus
Rivulus torrenticola (Rivulidae)
Rivulus waimacui (Rivulidae) Waimacui Rivulus
Henonemus taxistigmus OC (Trichomycteridae)
Ituglanis gracilior OC (Trichomycteridae)
Ochmacanthus flabelliferus OC (Trichomycteridae)
Trichomycterus conradi OC (Trichomycteridae)
Vandellia beccarii (Trichomycteridae)Additional endemic freshwater fish species that were not 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 83 endemic freshwater fish species listed above, these additional 9 species total 92 species of freshwater fishes known solely from Guyana.
Tatia meesi (Auchenipteridae) 2008
Cetopsidium roae (Cetopsidae) 2005
Denticetopsis iwokrama (Cetopsidae) 2005
Pimelodella wesselii (Heptapteridae)
Loricariichthys brunneus (Loricariidae)
Peckoltia cavatica (Loricariidae) 2005
Apareiodon agmatos (Parodontidae) 2008
Austrofundulus rupununi (Rivulidae) 2005
Rivulus mahdiaensis (Rivulidae) 2006