Common Name Latin Name Family Family (Latin) Adult Food Items Young Food Items Spawning Habitat General Habitat Other Comments
Lake Sturgeon Acipenser fulvescens sturgeons Acipenseridae snails, clams, crayfish, immature insects, other aquatic animals   tributary streams; no nests    
Bowfin Amia calva bowfin Amiidae fish, other small aquatic animals   bite off vegetation and fan away sediments in small streams or weedy bays slow-moving water or backwaters; streams or lakes  
American Eel Anguilla rostrata freshwater eels Anguillidae small fish, insect nymphs, crayfish, snails, worms   spawn in ocean (catadromous) hide under cover, or bury in mud at night, and in winter  
Highfin Carpsucker Carpiodes velifer suckers Catostomidae algae, ooze, and insects from bottom    likely in gravelly riffles of rivers rivers, oxbows, sloughs, and ponds over sand or gravel bottom; generally in rivers where current is moderate to swift or in quiet water adjacent to river channels northern limit of range; declining due to habitat loss (Phillips et al 1982); extirpated from some states, and S1, S2 in several; G4G5
Longnose Sucker Catostomus catostomus suckers Catostomidae mostly bottom invertebrates   flowing shallow stream water over gravel; otherwise in lakes cold clear water in large lakes, but usually shallower water; sometimes congregates at mouths of North Shore streams  
White Sucker Catostomus commersoni suckers Catostomidae bottom feeder; small animals (e.g., chironomid larvae, zooplankton, small crayfishes), plants and "ooze" protozoans, diatoms, small crustaceans, and bloodworms near surface of water shallow swift water or rapids in lakes or streams over rocky or gravelly bottom, or on lake shoals, beaches, or rivermouths (areas with wave action in lentic habitats) Usually in small, clear, cool creeks and small to medium rivers adaptable to variety of environmental conditions; Phillips et al (1982) state that it is NOT found in Lake Superior drainage; often dominates a body of water
Silver Redhorse Moxostoma anisurum suckers Catostomidae immature insects, mollusks, algae, detritus, and other small organisms   main channel of turbid rivers in 1-3 ft. of water over gravel to rubble bottoms  Typically in silty to firm-bottomed pools and runs of small to large rivers; also in natural lakes and impoundments  
Shorthead Redhorse Moxostoma macrolepidotum suckers Catostomidae mainly mollusks, microcrustaceans, and immature insects, though considerable plant materials sometimes may be consumed   usually over gravel in runs and riffles; may move out of larger bodies of water into smaller rivers and streams to spawn rocky pools, runs, and riffles of small to large rivers, natural lakes, and impoundments most adaptable of the redhorses in Minnesota
Redhorse species (unidentified) Moxostoma spp. suckers Catostomidae          
Rock Bass Ambloplites rupestris sunfishes Centrarchidae insects, snails, small fish   depression in gravel shallow, weedy places in lakes; soft-bottomed lakes and streams  
Green Sunfish X Warmouth Lepomis cyanellus x gulosus sunfishes Centrarchidae aquatic insects, other small aquatic animals   depression nests lakes and streams Warmouth supposedly only in SE MN
Pumpkinseed Lepomis gibbosus sunfishes Centrarchidae insects, snails, small fish, other small organisms in weed beds   depression nests in shallow, quiet water lakes and streams Introduced to Lake Superior drainage?
Bluegill Lepomis macrochirus sunfishes Centrarchidae insects, other small animals, plants insects, snails, small fishes, plants depression nest rivers and streams; lakes except in NE  
Smallmouth Bass Micropterus dolomieui sunfishes Centrarchidae crayfish, small fish, emerging insects   nests    
Largemouth Bass Micropterus salmoides sunfishes Centrarchidae small fish, crayfish, frogs, insects small aquatic animals shallow, quiet water 60* F; depression nest, or in vegetation or among roots small to medium lakes w clear water, sandy shores, weed beds; also backwaters of rivers  
Black Crappie Poxomis nigromaculatus sunfishes Centrarchidae small aquatic animals incl fishes   depression nest streams, small to medium lakes  
Mottled Sculpin Cottus bairdi sculpins Cottidae benthic feeder; forages among rocks, mainly on immature aquatic insect larvae, especially mayflies, chironomid midges, and stoneflies; larger individuals also eat caddisflies and crayfish; crustaceans, annelids, fishes, fish eggs and plant material also may be eaten; may take swimming prey from water column   under flat rock or ledge, in crevice among large gravel, or among aquatic plants clear, cold to warm (typically cool) headwaters, creeks, springs, small rivers, and lakes, with sand and gravel or (more typically) rocky substrate; often under rocks or vegetative cover  
Mottled Sculpin X Slimy Sculpin Cottus bairdi x cognatus sculpins Cottidae          
Slimy Sculpin Cottus cognatus sculpins Cottidae mainly immature aquatic insects and crustaceans obtained from bottom; also eats other invertebrates, fish eggs, and plant material     Deep oligotrophic lakes and swift rocky-bottomed streams (spring-fed streams in south). May move into lake shallows at night, into deeper water during day (often 30-100+ m deep).  
Lake Chub Couesius plumbeus minnows Cyprinidae insect larvae, zooplankton, and algae; sometimes fishes   river shallows, along rocky shores, in shoals of lakes; may migrate up to 1.6 km upstream from lakes to spawning areas Varied habitats, standing or flowing water, large or small bodies of water; most common in gravel-bottomed pools and runs of streams and along rocky lake margins (Page and Burr 1991). More common in rivers in north (but in lakes if available). Often in shallows but may move into deeper parts of lakes in summer.  
Hornyhead Chub Nocomis biguttatus minnows Cyprinidae mainly aquatic invertebrates   small depressions or piles of small stones in riffles of small to medium streams small to medium size, moderate to low gradient, cool to warm, typically clear, gravelly streams; in pools and slow to moderate runs  
Golden Shiner Notemigonus crysoleucas minnows Cyprinidae more on zooplankton (chiefly Cladocera) than on any other group; insects, diatoms, and algae are often important foods also; feeds mostly at or near surface   beds of submerged vegetation usually in clean, quiet, vegetated water with access to extensive shallows  
Emerald Shiner Notropis atherinoides minnows Cyprinidae drifting terrestrial and aquatic insects chiefly in the middle and upper parts of the water column; largely insects, especially terrestrial ones in summer, immature aquatic insects and amphipods in winter; in lakes, eats microcrustaceans, plankton, and insects mainly rotifers In lakes, spawns over detritus-free substrate offshore at night at depths of 2-6 m (Becker 1983). Spawns over various substrates, typically over gravel.
large open rivers, lakes, and reservoirs; pools and runs of rivers with low or moderate gradient, also mouths of smaller streams.  Most common in clear water over sand or gravel.  Often aggregates in large schools in mid-water or near surface. May move closer to surface at night.  
Common Shiner Notropis cornutus minnows Cyprinidae mainly aquatic insects, adults and larvae, algae, and other plant material   gravel beds in running water, in nests made in gravel by male in running water, or in nests of other species in running or still water creeks and small to medium rivers with clear cool weedless water, moderate to swift current, gravel to rubble bottom, and alternating pools and riffles (usually avoids riffles). Also lakes and reservoirs, especially in north.  
Blacknose Shiner Notropis heterolepis minnows Cyprinidae mainly various small invertebrates, and some plant material; probably feeds mainly on bottom or in beds of aquatic vegetation   Spawns probably over sandy places typically in cool weedy creeks, small rivers, and lakes, usually over sand  
Spottail Shiner Notropis hudsonius minnows Cyprinidae mainly insects, crustaceans, and filamentous algae   gravelly riffles near mouths of brooks, or along sandy shoals of lakeshores all MN drainage basins; more closely restricted to large rivers and lakes, usually over sandy or rocky shallows with scant vegetation; intolerant of silt-laden or polluted waters intolerant of silt-laden or polluted waters
Mimic Shiner Notropis volucellus minnows Cyprinidae daphnia, emerging diptera and terrestrial insects, other invertebrates, algae, and detritus   May scatter eggs over aquatic vegetation in deeper weedy littoral areas in lakes. clear streams, from medium-sized creeks to small rivers; also clear, moderately weedy lakes; may move to bottom in deeper water at night in lakes  
Bluntnose Minnow Pimephales notatus minnows Cyprinidae bottom feeder, eats mostly algae in winter, mainly insects and plant material in summer   nest under object on bottom on sandy or gravelly shoals, eggs attached to underside of cover lakes, ponds, rivers, and creeks in a variety of habitats; most common in clear rocky streams; schools in midwater or near bottom.  
Fathead Minnow Pimephales promelas minnows Cyprinidae feeds opportunistically in soft bottom mud; eats algae and other plants, insects, small crustaceans, and other invertebrates   underside of object in quiet water in nest  lakes, ponds, headwaters, creeks, small rivers, ditches, reservoirs, residual pools of intermittent streams (where sometimes very abundant); usually in sluggish or still water with abundant floating and submerged vegetation; tolerant of high temperature, turbidity, low oxygen  
Blacknose Dace Rhinichthys atratulus minnows Cyprinidae immature aquatic insects, amphipods, and various other aquatic invertebrates; also eats algae and diatoms, which may be of little nutritional value   nests of small pebbles in fast water of shallow riffles in June, early July quieter waters near the feet of rapids; cool, gravelly or rocky headwaters, creeks, and small rivers of high to moderate gradient; generally found in pools and slower runs; often rests on bottom under or beside stones  
Longnose Dace Rhinichthys cataractae minnows Cyprinidae benthic insects, especially Diptera and mayflies; also eats algae and plant material    probably in riffles over a gravelly bottom; shallow, pebble-bottomed, wave-swept shorelines of lakes very rapid waters, cataracts, near the bottom and in rock crevices; clean, swiftly flowing, gravel or bouldery creeks and small to medium rivers; also in inshore waters of lakes over gravel or boulder bottoms; may move offshore to deeper water in summer in warm lakes. Rests under stones when inactive  
Creek Chub Semotilus atromaculatus minnows Cyprinidae opportunistically on various plants and animals, from surface drift to benthos; mostly invertivorous but large individuals often piscivorous chironomid larvae and other larval insects important in diet of young small gravelly streams in smooth water near a riffle, or over littoral areas of gravel in lakes Clear headwaters, creeks, and small rivers; prefers streams less than 12 m wide and with gravel-sand-silt substrate; occasionally in shallows of small clear lakes.  
Northern Pike Esox lucius pikes Esocidae fish, other vertebrates small enough to be engulfed large zooplankton and immature aquatic insects; after 7-10 days fishes begin to enter diet and eventually dominate shallow flooded marshes associated with lakes or with
inlet streams to those lakes
clear small lakes, shallow vegetated areas of larger lakes, marshes, creeks, and small to large rivers; moves to deeper cooler water in summer  
Muskellunge Esox masquinongy pikes Esocidae fishes and other available vertebrates initially zooplankton water less than 1 m deep in heavily vegetated flooded areas. Warm heavily vegetated lakes, stumpy weedy bays, pools and backwaters of creeks and small to large rivers with abundant vegetation; often in large lakes with both extensive deep and shallow basins and tributary streams.  
Tiger Musky Esox masquinongy x lucius pikes Esocidae          
Burbot Lota lota codfishes Gadidae insects, crayfish, smaller fishes, fish eggs   spawns in winter in shallow water in lakes and small streams; no nests deep water in rivers and large lakes  
Brook Stickleback Culaea inconstans sticklebacks Gasterosteidae fish, fish eggs, other small aquatic animals, algae   nest of algae, sticks & plant fragments, on bottom or attached to aquatic plant in shallow water cool, clear weedy streams  and ponds  
Ninespine Stickleback Pungitius pungitius sticklebacks Gasterosteidae fish, fish eggs, other small aquatic animals, algae   nests of plant fragments, rootlets and algae built above bottom among vegetation or among rocky places with little vegetation rivers, streams, coastal areas of sea  
Black Bullhead Ictalurus melas catfish Ictaluridae vegetation, insects, frogs, crayfish, small fish, other organisms; omnivorous bottom feeder; often eats aquatic insects, crustaceans, molluscs, occasionally fishes and carrion planktivorous; at about 27 mm TL, feed largely on crustaceans and midge larvae shallow nest on bottom in mud or sand, in secluded areas such as under logs or mats of aquatic vegetation  stagnant or slow water; tolerates warm, muddy, low-oxygen waters; ponds, small lakes, river backwaters, swamps, impoundments, small stream pools with warm and turbid water, muddy bottoms, slow currents, and few other fish species. Adults inactive in schools in aquatic vegetation during day.  
Yellow Bullhead Ictalurus natalis catfish Ictaluridae wide variety of living and dead plant and animal material; primarily piscivorous but also eat aquatic insect larvae, crustaceans, snails, and algae generalists; mainly entomostracans and insect larvae saucer-shaper depression beside or beneath a bank, log, or tree root, or in burrow or in or under debris on bottom Shallow weedy parts of clear warm lakes, ponds, or slow-moving streams or canals. More tolerant of pollution than are most other ictalurids.  
Brown Bullhead Ictalurus nebulosus catfish Ictaluridae bottom feeder: larger insect larvae and fishes, also fish eggs, mollusks, carrion, and plant material chironomid larvae and small crustaceans open excavation in sand, gravel, or (rarely) mud, often in shelter of logs, rocks, or vegetation, or in holes, burrows, or debris; nest usually around shore or in coves or creek mouths Ponds, lakes, sluggish streams, sloughs, backwaters, reservoirs. Usually in vegetated shallows over sand, rock, mud, or silt, in clear to turbid water. May burrow into soft bottom and become inactive in winter.  
Channel Catfish Ictalurus punctatus catfish Ictaluridae bottom feeder; large fish are mainly piscivorous (Moyle 1976); also ingests plant material young eat mainly small invertebrates; as they grow, fishes and crayfish become increasingly important, though all sizes eat abundant aquatic insects eggs are laid in cavelike sites, such as old muskrat burrows, undercut banks, or log jams, or debris Main channels of small to large rivers, from clear, rapidly flowing, firm-bottomed ones to turbid, mud-bottomed ones; avoids upland streams; also in ponds, reservoirs, lakes. Adults usually in pools or under log jams or cut banks by day, move into riffles at night.  
Tadpole Madtom Noturus gyrinus catfish Ictaluridae mainly insect larvae, crustaceans, and occasionally small fishes;  larger fishes rely more on insects; feeds at night on bottom and among aquatic plants Smaller individuals apparently depend on crustaceans and oligochaetes usually in rivers but also in lakes in shallow water; eggs are laid under objects or in cavities on bottom Typically in quiet or slow-moving waters, especially over soft muddy bottom with extensive vegetation; lakes, reservoirs, sloughs, swamps, backwaters, lowland creeks and small to large rivers. Usually in fairly clear water  
White Bass Morone chrysops temperate basses Percichthyidae fishes, zooplankton, aquatic insects, oligochaetes, and crayfish; fishes often dominate diet of adults   prefers running water of tributary streams for spawning, but may spawn along lake shores with high wave action; usually spawns over rock or gravel bottom in water 0.6-3 m deep Open waters of large lakes and reservoirs and pools of slow-moving small to large rivers. Usually in surface waters, roaming in schools. Tends to be offshore during day, inshore at night. Tends to avoid areas of continous turbidity.  
Iowa Darter Etheostoma exile perches Percidae mainly various invertebrates; commonly ingested food items of adults are midge larvae, mayfly naiads, and amphipods; apparently feeds on swimming organisms and those on bottom invertebrates, especially copepods and cladocerans shallow water of lake margins and quiet areas of
streams; eggs are laid on submerged roots or debris, occasionally on gravel and sand
Clear sluggish vegetated headwaters, creeks, and small to medium rivers; weedy portions of glacial lakes, marshes, ponds; over substrates of sand, peat, and/or organic debris. Occurs in deeper lake waters and in stream pools when not breeding.  
Johnny Darter Etheostoma nigrum perches Percidae larger individuals eat mainly midge larvae and mayfly larvae young eat mainly midge larvae and microcrustaceans eggs laid on underside of a stone or other object Most often found over sand or silt in quiet or sluggish areas of headwaters, creeks, and small to medium rivers, less often over gravel or in weedy areas of lakes or sandy lake shallows. Small to medium streams in pools over sand or bedrock.  
Yellow Perch Perca flavescens perches Percidae feed among plants and along bottom on larger invertebrates and small fishes larvae and young primarily zooplankton feeders; older young eat mostly invertebrates associated with bottom and with aquatic plants submerged beds of aquatic plants or brush, or over sand, gravel, or rubble, in quiet water in lake shallows or into tributary streams clear weedy backwaters or pools of creeks and small to large rivers, shallow waters of lakes, and large ponds. Associated with heavy growths of aquatic plants in lakes, tends to occur in loose schools at 1-10 m.  
Log Perch Percina caprodes perches Percidae mainly immature aquatic insects such as midges, mayflies, and caddisflies; uses snout to overturn stones and other objects while searching for food mainly small crustaceans sand in lake shallows, or in gravel or sand in swift current, often in riffles, in streams  Small creeks to rivers, lakes, and reservoirs. Prefers clean riffles and runs over mixed sand and gravel. Often associated with bottom debris.  
Walleye Stizostedion vitreum perches Percidae Feed opportunistically on various fishes and larger invertebrates. In native range, yellow perch is preferred prey of adults and juveniles. Some populations feed almost exclusively on emerging larval and adult insects.  Young up to 6 weeks old eat mainly copepods, Cladocera, and small fishes. turbulent rocky areas in rivers, boulder to coarse gravel shoals of lakes, along riprap on dam face of reservoirs, and flooded marshes Lakes; pools, backwaters, and runs of medium to large rivers; generally in moderately deep waters. Generally in quiet water when not spawning. Often in beds of aquatic vegetation, in holes among tree roots, or in or near similar cover by day. Adults avoid temperatures above 24 C, if possible. Greatest population densities under moderately turbid conditions or in deep clear lakes with strong deepwater forage
base
 
Trout-Perch Percopsis omiscomaycus trout-perches Percopsidae small aquatic animals on or near bottom in shallow water during night: insects, crustaceans, and other invertebrates; larger individuals may feed on fishes in winter zooplankton shallow water over sand or gravel bottoms, often in shallow tributaries in lakes but also in deep flowing pools of creeks and small to large rivers; usually over sand; deeper water, concealed in debris during day  
Lake Herring Coregonus artedi salmons Salmonidae zooplankton; also invertebrates from surface, fish eggs and fry   Often spawns in shallow water (1-3 m) over gravel or stony substrate, but also may spawn pelagically in midwater Open waters of lakes and large rivers. Moves into deeper water, to just below thermocline, in summer.  Sometimes in large rivers.  
Lake Trout Salvelinus namaycush salmons Salmonidae Fishes, when available, are important but may subsist on zooplankton when surface waters are too warm and fishes are absent in deeper colder waters Zooplankton (Mysis and Pontoporeia crustaceans); later includes small benthic invertebrates over boulder or rubble bottom in shallower part of lake; no spawning bed Deep lakes in south, shallow and deep lakes and rivers in north. Usually in deep water, especially in summer when surface waters warm.  
Central Mudminnow Umbra limi mudminnows Umbridae Primarily a bottom feeder; eats mainly midges, crustaceans, molluscs; also small fishes   Spawns in overflow areas along creeks. Eggs stick to vegetation. moderately to densely vegetated streams, sloughs, or swamps; often in ooze and detritus on bottom; tolerant of low oxygen and high temperature does not adapt well to silt over the bottom or to turbidity; siltation, drainage of lowlands and destruction of aquatic vegetation cause decline