Fish Species of Wisconsin (USA)

Indian sail-fin surgeonfish

Zebrasoma desjardinii

LC 🌊 Marine

Indo-Pacific sailfish

Istiophorus platypterus

VU 🌊 Marine

Indo-Pacific sergeant

Abudefduf vaigiensis

LC 🌊 Marine

Indonesian snakehead

Channa micropeltes

LC 💧 Freshwater

Iowa darter

Etheostoma exile

LC 💧 Freshwater

Ipnops Murrayi

Ipnops murrayi

LC 🌊 Marine

Irish mojarra

Diapterus auratus

LC 🌊 Marine

Jack Dempsey

Rocio octofasciata

LC 💧 Freshwater

Jaguar guapote

Parachromis managuensis

LC 💧 Freshwater

Japanese eel

Anguilla japonica

EN 🔄 Diadromous

Japanese smelt

Hypomesus nipponensis

LC 🌊 Marine

Japanese white crucian carp

Carassius cuvieri

EN 💧 Freshwater

Jenny mojarra

Eucinostomus gula

LC 🔄 Diadromous

Johnny darter

Etheostoma nigrum

LC 💧 Freshwater

Kali Indica

Kali indica

LC 🌊 Marine

Kaupichthys Hyoproroides

Kaupichthys hyoproroides

LC 🌊 Marine

Keeltail needlefish

Platybelone argalus

LC 🌊 Marine

Kerbert's kali

Kali kerberti

LC 🌊 Marine

King mackerel

Scomberomorus cavalla

LC 🌊 Marine

King of herrings

Regalecus glesne

LC 🌊 Marine

Knifetail Pomfret

Taractes rubescens

LC 🌊 Marine

Kroyer's deep-sea angler fish

Ceratias holboelli

LC 🌊 Marine

Lahontan redside

Richardsonius egregius

LC 💧 Freshwater

Lake chubsucker

Erimyzon sucetta

LC 💧 Freshwater

Lake sturgeon

Acipenser fulvescens

EN 💧 Freshwater

Lake whitefish

Coregonus clupeaformis

LC 💧 Freshwater

Lane snapper

Lutjanus synagris

NT 🌊 Marine

Lantern bass

Serranus baldwini

LC 🌊 Marine

Lanternfish

Bolinichthys indicus

LC 🌊 Marine

Large-toothed conger

Bathyuroconger vicinus

LC 🌊 Marine

Largebarbel Snaggletooth

Astronesthes macropogon

LC 🌊 Marine

Largehead hairtail

Trichiurus lepturus

LC 🌊 Marine

Largemouth black bass

Micropterus salmoides

LC 💧 Freshwater

Largescale stoneroller

Campostoma oligolepis

LC 💧 Freshwater

Least killifish

Heterandria formosa

LC 💧 Freshwater

Leatherjacket

Oligoplites saurus

LC 🌊 Marine

Lemon tetra

Hyphessobrycon pulchripinnis

LC 💧 Freshwater

Leptostomias Gladiator

Leptostomias gladiator

LC 🌊 Marine

Lesser amberjack

Seriola fasciata

LC 🌊 Marine

Lesser bream

Brama dussumieri

LC 🌊 Marine

Lestrolepis Intermedia

Lestrolepis intermedia

LC 🌊 Marine

Letharchus Aliculatus

Letharchus aliculatus

DD 🌊 Marine

Liberty molly

Poecilia salvatoris

DD 💧 Freshwater

Lightfish

Ichthyococcus ovatus

LC 🌊 Marine

Lined sole

Achirus lineatus

LC 🌊 Marine

Littlescale threadfin

Polydactylus oligodon

LC 🌊 Marine

Live sharksucker

Echeneis naucrates

LC 🌊 Marine

Lobisomem

Notoscopelus caudispinosus

LC 🌊 Marine