Thailand
This list of freshwater fish species found exclusively in Thailand 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
+ = species added to the Catalog of Fishes after 9 Februrary 2023
Badis khwae (Anabantiformes Badidae)
Badis siamensis
(Anabantiformes Badidae) Siamese Chameleon Fish
Betta apollon (Anabantiformes Osphronemidae)
Betta ferox (Anabantiformes Osphronemidae)
Betta mahachaiensis
(Anabantiformes Osphronemidae)
Betta simplex (Anabantiformes Osphronemidae)
Krabi Mouth-breeding Betta
Cynoglossus xiphoideus
(Carangiformes Cynoglossidae)
Toxotes siamensis
(Carangiformes Toxotidae) Siamese Archerfis WMh
Balitora meridionalis
(Cypriniformes Balitoridae)
Cryptotora thamicola
(Cypriniformes Balitoridae) Cave Angel Fish
Hemimyzon nanensis
(Cypriniformes Balitoridae)
Homalopteroides lineatus
(Cypriniformes Balitoridae)
Pseudohomaloptera
sexmaculata (Cypriniformes Balitoridae)
Lepidocephalus nanensis
(Cypriniformes Cobitidae) Thai Spirit Loach
Altigena sinkleri
(Cypriniformes Cyprinidae)
Crossocheilus tchangi
(Cypriniformes Cyprinidae)
Discherodontus colemani
(Cypriniformes Cyprinidae)
Discherodontus somphongsi
(Cypriniformes Cyprinidae)
Epalzeorhynchos bicolor
(Cypriniformes Cyprinidae) Redtail Sharkminnow
Garra fluviatilis
(Cypriniformes Cyprinidae)
Garra surinbinnani
(Cypriniformes Cyprinidae)
Garra waensis (Cypriniformes Cyprinidae)
Henicorhynchus
caudiguttatus (Cypriniformes Cyprinidae) Spotted
Mud Carp
Neolissochilus
subterraneus (Cypriniformes Cyprinidae) Cave
Brook Carp
Poropuntius bantamensis
(Cypriniformes Cyprinidae)
Poropuntius faucis
(Cypriniformes Cyprinidae)
Poropuntius hathe
(Cypriniformes Cyprinidae)
Poropuntius melanogrammus
(Cypriniformes Cyprinidae)
Poropuntius speleops
(Cypriniformes Cyprinidae)
Boraras naevus
(Cypriniformes Danionidae)
Danio pulcher (Cypriniformes Danionidae)
Blue-redstripe Danio
Inlecypris maetaengensis
(Cypriniformes Danionidae) Fire Bar Danio
Opsarius ornatus
(Cypriniformes Danionidae)
Opsarius signicaudus
(Cypriniformes Danionidae)
Thryssocypris wongrati
(Cypriniformes Danionidae)
Trigonostigma somphongsi
(Cypriniformes Danionidae) Somphongs' Rasbora
Ellopostoma mystax
(Cypriniformes Ellopostomatidae) Enigmatic Loach
Mustura maepaiensis
(Cypriniformes Nemacheilidae)
Nemacheilus binotatus
(Cypriniformes Nemacheilidae) Two-spot Loach
Nemacheilus ornatus
(Cypriniformes Nemacheilidae) Ornate Sand Loach
Nemacheilus
troglocataractus (Cypriniformes
Nemacheilidae) Blind Cave Loach
Paracanthocobitis
maekhlongensis (Cypriniformes Nemacheilidae) Maekhlong Zipper Loach
Physoschistura
chulabhornae (Cypriniformes Nemacheilidae) Princess Chulabhorn's Sand Loach
Physoschistura
pseudobrunneana (Cypriniformes
Nemacheilidae)
Rhyacoschistura
maejotigrina (Cypriniformes Nemacheilidae)
Schistura alticrista
(Cypriniformes Nemacheilidae)
Schistura aurantiaca
(Cypriniformes Nemacheilidae)
Schistura crocotula
(Cypriniformes Nemacheilidae)
Schistura deansmarti
(Cypriniformes Nemacheilidae)
Schistura desmotes
(Cypriniformes Nemacheilidae)
Schistura dubia
(Cypriniformes Nemacheilidae)
Schistura geisleri
(Cypriniformes Nemacheilidae) Polka Dotted Loach
Schistura hartli + (Cypriniformes Nemacheilidae)
Schistura jarutanini
(Cypriniformes Nemacheilidae) Kittipong's Cave
Loach
Schistura kuehnei + (Cypriniformes Nemacheilidae)
Schistura laterimaculata
(Cypriniformes Nemacheilidae)
Schistura menanensis
(Cypriniformes Nemacheilidae)
Schistura myrmekia
(Cypriniformes Nemacheilidae)
Schistura oedipus
(Cypriniformes Nemacheilidae)
Schistura pantherina
(Cypriniformes Nemacheilidae)
Schistura paucicincta
(Cypriniformes Nemacheilidae)
Schistura pridii
(Cypriniformes Nemacheilidae) Mini Dragon Loach
Schistura sexcauda
(Cypriniformes Nemacheilidae)
Schistura sirindhornae
(Cypriniformes Nemacheilidae) Crown Scaly Stream
Loach
Schistura spiesi
(Cypriniformes Nemacheilidae)
Schistura spilota
(Cypriniformes Nemacheilidae) Giant Schistura
Schistura tenebrosa
(Cypriniformes Nemacheilidae)
Schistura udomritthiruji
(Cypriniformes Nemacheilidae)
Sectoria atriceps
(Cypriniformes Nemacheilidae)
Psilorhynchus tysoni
(Cypriniformes Psilorhynchidae)
Longiculter siahi
(Cypriniformes Xenocyprididae)
Drombus vexillifer
(Gobiiformes Gobiidae)
Rhinogobius chiengmaiensis
(Gobiiformes Gobiidae) Chiangmai Stream Goby
Acrochordonichthys gyrinus
(Siluriformes Akysidae) Falcate Chameleon
Catfish
Akysis maculipinnis
(Siluriformes Akysidae)
Akysis patrator
(Siluriformes Akysidae)
Akysis pulvinatus
(Siluriformes Akysidae)
Akysis recavus
(Siluriformes Akysidae)
Pseudobagarius hardmani
(Siluriformes Akysidae)
Amblyceps platycephalus
(Siluriformes Amblycipitidae)
Amblyceps protentum
(Siluriformes Amblycipitidae)
Amblyceps variegatum
(Siluriformes Amblycipitidae)
Batasio tigrinus
(Siluriformes Bagridae)
Hemibagrus imbrifer
(Siluriformes Bagridae)
Clarias cataractus
(Siluriformes Clariidae)
Platytropius siamensis
(Siluriformes Horabagridae) Siamese
Flat-barbelled Catfish
Pseudeutropius indigens
(Siluriformes Horabagridae)
Kryptopterus hesperius
(Siluriformes Siluridae) Maeklong Sheatfish
Pterocryptis buccata
(Siluriformes Siluridae) Cave Sheatfish
Erethistes mesembrinus
(Siluriformes Sisoridae) Thai Moth Catfish
Exostoma effrenum
(Siluriformes Sisoridae)
Exostoma peregrinator
(Siluriformes Sisoridae)
Glyptothorax buchanani
(Siluriformes Sisoridae)
Oreoglanis colurus
(Siluriformes Sisoridae)
Oreoglanis heteropogon
(Siluriformes Sisoridae)
Oreoglanis laciniosa
(Siluriformes Sisoridae) Pai River Bat Catfish
Oreoglanis nakasathiani
(Siluriformes Sisoridae) Mr. Seub's Bat Catfish
Oreoglanis omkoiensis
(Siluriformes Sisoridae)
Oreoglanis siamensis
(Siluriformes Sisoridae) Siamese Bat Catfish
Oreoglanis sudarai
(Siluriformes Sisoridae) Dr. Surapol's Bat
Catfish
Oreoglanis suraswadii
(Siluriformes Sisoridae) Doi Tung Bat Catfish
Oreoglanis tenuicauda
(Siluriformes Sisoridae) Slender-tail Bat
Catfish
Oreoglanis vicina
(Siluriformes Sisoridae) Silaphet Waterfall Bat
Catfish
Pao ocellaris (Tetraodontiformes Tetraodontidae)