List of freshwater fish of Sri Lanka

Sri Lanka is a tropical island situated close to the southern tip of India. It is situated in the middle of Indian Ocean. Because of being an island, Sri Lanka has many endemic freshwater fauna, including fish, crabs, molluscs, and other aquatic insects.

Species List

Class: Actinopterygii

Freshwater fish are physiologically differ from marine and brackish water forms. The low salinity and high osmotic pressure makes them so different. Few fish can be found in all three ecological systems.

There are 95 species of freshwater fish occur in the country, where 53 of those are endemic. 41% of all known species of fish of Sri Lanka are found in freshwater. There are about 70% of endemism of those fish. Most of them are listed into IUCN categories. Four Devario species were described in 2017 by Batuwita et al. However, the taxonomy and descriptions were cited as problematic by fellow local ichthyologists.[1]

Note: introduced species are not included in the list. Go to List of introduced fish in Sri Lanka.

Freshwater eels

Order: Anguilliformes. Family: Anguillidae

There are 19 species and 6 subspecies in this family are all in genus Anguilla. Sri Lanka is home for 2 freshwater eels.

Name	Binomial	Status
Mottled Eel	Anguilla nebulosa
Shortfin Eel	Anguilla bicolor

Carps and allies

Order: Cypriniformes. Family: Cyprinidae About over 320 genera, and more than 3,250 species are included in this family. 52 species found in Sri Lanka.

Common name	Binomial	Status
Attentive carplet	Amblypharyngodon melettinus
Sinhala barb	Dawkinsia singhala	endemic
Blotched filamentous barb	Dawkinsia srilankensis	endemic
Giant danio	Devario aequipinnatus
	Devario annnataliae	problematic taxon
Malabar danio	Devario malabaricus
	Devario micronema	problematic taxon
	Devario monticola	problematic taxon
Barred danio	Devario pathirana
	Devario udenii	problematic taxon
Flying barb	Esomus thermoicos
Ceylon Logsucker	Garra ceylonensis	endemic
Philipps' Garra	Garra phillipsi	endemic
Glow-light Carplet	Horadandia atukorali
	Labeo heladiva	endemic
Green labeo	Labeo fisheri	endemic
Red fin labeo	Labeo lankae	endemic
Knuckles Laubuca	Laubuca insularis	endemic
Blue Laubuca	Laubuca lankensis	endemic
Ruhuna Laubuca	Laubuca ruhuna	endemic
Varuna Laubuca	Laubuca varuna	endemic
Scarlet banded barb	Puntius amphibius
Red-side barb	Puntius bimaculatus
Swamp barb	Puntius chola
Long-snouted barb	Puntius dorsalis
Kamalika's barb	Puntius kamalika	endemic
Kelum's barb	Puntius kelumi	endemic
Cherry barb	Puntius titteya	endemic
Greenstripe barb	Puntius vitattus
Bandula barb	Pethia bandula	endemic
Two-spot barb	Pethia cumingii	endemic
Tic-tac-toe Barb	Pethia melanomaculata	endemic
Black ruby barb	Pethia nigrofasciata	endemic
Red-fined Barb	Pethia reval	endemic
Stoliczkae's barb	Pethia stoliczkana
Ticto barb	Pethia ticto
Amith's rasbora	Rasbora armitagei	endemic
Cauvery rasbora	Rasbora caverii
Slender rasbora	Rasbora daniconius	endemic
Wilpita rasbora	Rasbora wilpita	endemic
	Rasboroides nigromarginatus	endemic
	Rasboroides pallidus	endemic
	Rasboroides rohani	endemic
Pearly Rasbora	Rasboroides vaterifloris	endemic
Asoka barb	Systomus asoka	endemic
Martenstyn's barb	Systomus martenstyni	endemic
Side-striped barb	Systomus pleurotaenia	endemic
Olive barb	Systomus sarana
	Systomus spilurus	endemic
Timbiri Barb	Systomus timbiri	endemic
Deccan Mahseer	Tor khudree

River loaches

Family: Balitoridae

Common name	Binomial	Status
Banded Mountain Loach	Acanthocobitis urophthalma	endemic
Hill country Loach	Schistura madhavai	endemic
Spotback Loach	Schistura notostigma	native
	Schistura scripta	endemic

True Loaches

Family: Cobitidae

Common name	Binomial	Status
Spotted loach	Lepidocephalichthys jonklaasi	endemic
Common spiny loach	Lepidocephalichthys thermalis

Naked catfishes

Order: Siluriformes. Family: Bagridae

Name	Binomial	Status
Dwarf catfish	Mystus ankutta	endemic
Gangetic mystus	Mystus cavasius
Long Whiskers catfish	Mystus gulio
Yellow catfish	Mystus keletius
Striped dwarf catfish	Mystus vittatus

Sheat catfishes

Family: Siluridae

Name	Binomial	Status
	Ompok argestes	Endemic
Butter catfish	Ompok bimaculatus
	Ompok ceylonensis	Endemic
Wallago	Wallago attu

Airbreathing catfishes

Family: Clariidae

Name	Binomial	Status
Walking catfish	Clarias brachysoma	endemic

Airsac catfishes

Family: Heteropneustidae

Name	Binomial	Status
Asian stinging catfish	Heteropneustes fossilis

Swamp eels

Order: Synbranchiformes. Family: Synbranchidae

Name	Binomial	Status
Lesser swamp eel	Monopterus desilvai
Bengal swamp eel	Ophisternon bengalense

Rivulines

Order: Cyprinodontiformes. Family: Aplocheilidae

Name	Binomial	Status
Ceylon killifish	Aplocheilus dayi	endemic
Dwarf panchax	Aplocheilus parvus
Werners killifish	Aplocheilus werneri	endemic

Ricefish

Family: Adrianichthyidae

Name	Binomial	Status
Spotted ricefish	Oryzias carnaticus
Indian ricefish	Oryzias dancena

Cichlids

Order: Perciformes. Family: Cichlidae

Name	Binomial	Status
Orange chromide	Etroplus maculatus
Green chromide	Etroplus suratensis

Climbing perches

Family: Anabantidae

Name	Binomial	Status
Climbing perch	Anabas testudineus

Gourami

Family: Osphronemidae

Name	Binomial	Status
Ceylonese combtail	Belontia signata	endemic
Ornate parasidefish	Malpulutta kretseri	endemic
Spike-tailed paradisefish	Pseudosphromenus cupanus

Snakeheads

Family: Channidae

[[Channa kelartii

Name

Binomial

Status

Giant snakehead

Channa marulius

Dwarf snakehead

Channa gachua

Ceylon snakehead

Channa orientalis

endemic

Spotted snakehead

Channa punctata

Striped snakehead

Channa striata

Channa kelartii

Garfishes

Family: Belonidae

Name	Binomial	Status
Freshwater garfish	Xenentodon cancila

Sleeper gobies

Family: Eleotridae

Name	Binomial	Status
Crazyfish	Butis butis
Dusky sleeper	Eleotris fusca

Spiny eels

Family: Mastacembelidae

Name	Binomial	Status
Tire track eel	Mastacembelus armatus
Sri Lanka spiny eel	Macrognathus pentophthalmos

Gobies

Family: Gobiidae

Name	Binomial	Status
Large snout goby	Awaous melanocephalus
Tank goby	Glossogobius giuris
Sharptail goby	Oligolepis acutipennis
Red neck goby	Schismatogobius deraniyagalai
Stone goby	Sicyopterus griseus
Redtail goby	Sicyopterus lagocephalus
Lipstick goby	Sicyopus jonklaasi	endemic
Martenstyn's goby	Stiphodon martenstyni	endemic

References

"A commentary on the taxonomic review of Sri Lankan Devario by Batuwita et al. 2017 (Teleostei: Danionidae)". biotaxa. Retrieved 28 February 2019.

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[1] "A commentary on the taxonomic review of Sri Lankan Devario by Batuwita et al. 2017 (Teleostei: Danionidae)". biotaxa. Retrieved 28 February 2019.