This is a list of Fish that inhabit the Isle Royale National Park. ^[1] If the name is in Bold it is non-native species.

Acipenseridae

• Lake sturgeon, Acipenser fulvescens

Catostomidae

• Longnose sucker, Catostomus catostomus
• White sucker, Catostomus commersoni
• Shorthead redhorse, Moxostoma macrolepidotum

Centrarchidae

• Black crappie, Pomoxis nigromaculatus
• Pumpkinseed, Lepomis gibbosus
• Rock bass, Ambloplites rupestris
• Smallmouth bass, Micropterus dolomieu

Clupeidae

• Alewife, Alosa pseudoharengus

Cottidae

• Fourhorn sculpin, Myoxocephalus quadricornis
• Mottled sculpin, Cottus bairdii
• Slimy sculpin, Cottus cognatus
• Spoonhead sculpin, Cottus ricei

Cyprinidae

• Lake chub, Couesius plumbeus
• Creek chub, Semotilus atromaculatus
• Longnose dace, Rhinichthys cataractae
• Northern redbelly dace, Phoxinus eos
• Finescale dace, Phoxinus neogaeus
• Emerald shiner, Notropis atherinoides
• Common shiner, Notropis cornutus
• Blackchin shiner, Notropis heterodon
• Blacknose shiner, Notropis heterolepis
• Blacknose shiner, Notropis heterolepis regalis
• Northern blacknose shiner, Notropis heterolepis heterolepis
• Spottail shiner, Notropis hudsonius
• Mimic shiner, Notropis volucellus
• Golden shiner, Notemigonus crysoleucas
• Eastern blacknose dace, Rhinichthys obtusus
• Harvey lake pearl dace, Semotilus margarita koelzi
• Minnesota pearl dace, Semotilus margarita nachtriebi
• Blacknose dace, Rhinichthys atratulus
• Harvey lake fathead minnow, Pimephales promelas harveyensis
• Fathead minnow, Pimephales promelas promelas
• Brassy minnow, Hybognathus hankinsoni
• Allegheny pearl dace, Margariscus margarita

Esocidae

• Northern pike, Esox lucius
• Muskellunge, Esox masquinongy

Gasterosteidae

• Ninespine stickleback, Pungitius pungitius
• Brook stickleback, Culaea inconstans

Lotidae

• Burbot, Lota lota

Osmeridae

• Rainbow smelt, Osmerus mordax

Percidae

• Logperch, Percina caprodes
• Yellow perch, Perca flavescens
• Ruffe, Gymnocephalus cernuus
• Sauger, Sander canadense
• Walleye, Sander vitreum
• Iowa darter, Etheostoma exile
• Johnny darter, Etheostoma nigrum

Percopsidae

• Trout-perch, Percopsis omiscomaycus

Petromyzontidae

• Sea lamprey, Petromyzon marinus
• Northern brook lamprey, Ichthyomyzon fossor
• Silver lamprey, Ichthyomyzon unicuspis

Salmonidae

• Brook trout, Salvelinus fontinalis
• Lake trout, Salvelinus namaycush namaycush
• Siscowet, Salvelinus namaycush siscowet
• Salmo oxyrinchus
• Atlantic salmon, Salmo salar
• Brown trout, Salmo trutta
• Pygmy whitefish, Prosopium coulterii
• Round whitefish, Prosopium cylindraceum
• Pink salmon, Oncorhynchus gorbuscha
• Coho salmon, Oncorhynchus kisutch
• Rainbow trout, Oncorhynchus mykiss
• Chinook salmon, Oncorhynchus tshawytscha
• Cisco, Coregonus artedi
• Lake herring, Coregonus artedi arcturus
• Lake herring, Coregonus artedi sargenti
• Siskiwit lake cisco, Coregonus bartlettii
• Great lakes whitefish, Coregonus clupeaformis clupeaformis
• Inland lakes whitefish, Coregonus clupeaformis neohantoniensis
• Lake desor whitefish, Coregonus clupeaformis dustini
• Big-eyed chub, Coregonus kiyi
• Blackfin cisco, Coregonus nigripinnis
• Shortnose cisco, Coregonus reighardi
• Shortjaw cisco, Coregonus zenithicus

References