Freshwater Fish Species

Smooth back river stingray

Potamotrygon orbignyi

Potamotrygonidae Least Concern

Smooth freshwater stingray

Fontitrygon garouaensis

Dasyatidae Critically Endangered

Smooth-cheek eartheater

Gymnogeophagus gymnogenys

Cichlidae Least Concern Edible

Smoothbelly goby

Sicydium gymnogaster

Gobiidae Least Concern

Smoothbelly pellonuline

Congothrissa gossei

Dorosomatidae Data Deficient

Smoothhead catfish

Clarias liocephalus

Clariidae Least Concern Edible

Smudge spot cory

Hoplisoma simile

Least Concern

Snail bullhead

Ameiurus brunneus

Ictaluridae Least Concern

Snail darter

Percina tanasi

Percidae Vulnerable

Snaileater

Sargochromis mellandi

Cichlidae Least Concern

Snake catfish

Clarias theodorae

Clariidae Least Concern

Snake River sucker

Chasmistes muriei

Catostomidae EX

Snakehead

Channa argus

Channidae Least Concern Edible

Snakeskin gourami

Trichopodus pectoralis

Osphronemidae Least Concern Edible

Snowtrout

Schizothorax richardsonii

Cyprinidae Vulnerable Edible

Snubnose darter

Etheostoma simoterum

Percidae Least Concern

Soconusco gambusia

Brachyrhaphis hartwegi

Poeciliidae Least Concern

Soffie

Parachondrostoma toxostoma

Cyprinidae Near Threatened

Soft-spined catfish

Neosilurus mollespiculum

Plotosidae Vulnerable

Softy hap

Mylochromis mollis

Cichlidae Least Concern Edible

Soldatov's catfish

Silurus soldatovi

Siluridae Least Concern

Soldatov's gudgeon

Gobio soldatovi

Gobionidae Least Concern

Soldatov's thicklip gudgeon

Sarcocheilichthys soldatovi

Cyprinidae Least Concern

Somalia catfish

Bagrus urostigma

Bagridae Data Deficient

Somalia glass catfish

Parailia somalensis

Schilbeidae Data Deficient

Somalian blind barb

Barbopsis devecchii

Cyprinidae Data Deficient

Somalian cavefish

Garra andruzzii

Cyprinidae Vulnerable

Somalian giant catfish

Pardiglanis tarabinii

Bagridae Data Deficient

Someren's suckermouth

Chiloglanis somereni

Mochokidae Least Concern

Somphongs’s Rasbora

Trigonostigma somphongsi

Cyprinidae Critically Endangered

Sonora chub

Gila ditaenia

Cyprinidae Vulnerable

Sonora sucker

Catostomus insignis

Catostomidae Least Concern

Sonora topminnow

Poeciliopsis sonoriensis

Poeciliidae Data Deficient

Sonoyta pupfish

Cyprinodon eremus

Cyprinodontidae Endangered

Sooty darter

Etheostoma olivaceum

Percidae Least Concern

Sooty grunter

Hephaestus fuliginosus

Terapontidae Least Concern

Sorong rainbowfish

Melanotaenia fredericki

Melanotaeniidae Near Threatened

Sorubim Maniradii

Sorubim maniradii

Pimelodidae Least Concern

Soto la Marina shiner

Alburnops aguirrepequenoi

Vulnerable

South American catfish

Rhamdia quelen

Heptapteridae Least Concern

South American Darter

Characidium boehlkei

Crenuchidae Least Concern

South American freshwater stingray

Potamotrygon motoro

Potamotrygonidae Least Concern

South American Grass Darter

Ammocryptocharax elegans

Crenuchidae Least Concern

South American lungfish

Lepidosiren paradoxa

Lepidosirenidae Least Concern

South American Mud Darter

Characidium steindachneri

Crenuchidae Least Concern

South American Sand Darter

Characidium pellucidum

Crenuchidae Least Concern

South American silver croaker

Plagioscion squamosissimus

Sciaenidae Least Concern Edible

South caucasian gudgeon

Romanogobio macropterus

Cyprinidae Least Concern