All Fish

Skadar gudgeon

Gobio skadarensis

Not Evaluated freshwater

Skate

Rajella ravidula

Not Evaluated saltwater

Skate

Dipturus pullopunctatus

Not Evaluated saltwater

Skilfish

Erilepis zonifer

Not Evaluated saltwater

Skilletfish

Gobiesox strumosus

Not Evaluated saltwater

Skilletskate

Dactylobatus armatus

Not Evaluated saltwater

Skinny gurnard

Lepidotrigla psolokerkos

Not Evaluated saltwater

Skiotocharax meizon

Not Evaluated freshwater

Skipjack

Menidia extensa

Not Evaluated freshwater

Skora's toadlike plunderfish

Pogonophryne skorai

Not Evaluated saltwater

Skulpin

Physiculus helenaensis

Not Evaluated saltwater

Skunk shrimp-goby

Cryptocentrus albidorsus

Not Evaluated saltwater

Sky-blue killi

Aphyosemion coeleste

Not Evaluated freshwater

Sky-blue Kivu haplo

Haplochromis crebridens

Not Evaluated freshwater

Skygazer shiner

Notropis uranoscopus

Not Evaluated freshwater

Skythrenchelys macrostomus

Not Evaluated saltwater

Slabrock darter

Etheostoma smithi

Not Evaluated freshwater

Slackwater Darter

Etheostoma boschungi

Not Evaluated freshwater

Sladenia gardineri

Not Evaluated saltwater

Sladenia shaefersi

Not Evaluated saltwater

Sladenia zhui

Not Evaluated saltwater

Slantbrow batfish

Ogcocephalus declivirostris

Not Evaluated saltwater

Slanted pygmygoby

Trimma erwani

Not Evaluated saltwater

Slantlip eel

Caralophia loxochila

Not Evaluated saltwater

Slantstripe goatfish

Parupeneus diagonalis

Not Evaluated saltwater

Slashcheek goby

Ctenogobius pseudofasciatus

Not Evaluated both

Slate cory

Corydoras concolor

Not Evaluated freshwater

Slaty goby

Elacatinus tenox

Not Evaluated saltwater

Sleek lates

Lates stappersii

Not Evaluated freshwater

Sleek mosquitofish

Gambusia luma

Not Evaluated brackish

Sleeper

Gobiomorus maculatus

Not Evaluated brackish

Sleeper cusk

Otophidium dormitator

Not Evaluated saltwater

Sleeper goby

Dormitator lebretonis

Not Evaluated both

Sleeper torpedo

Crassinarke dormitor

Not Evaluated saltwater

Slender barracudina

Lestidiops ringens

Not Evaluated saltwater

Slender betta

Betta bellica

Not Evaluated freshwater