WorksheetsFish and Wildlife CDE Test Questions- Fish
Total questions: 110
Worksheet time: 55mins
Minnesota's only catadromous fish is
Lake trout
American eel
Smelt
White sucker
This fish is also called a bowfin, girdle, and beaverfish.
Walleye
Darter
Dogfish
Sturgeon
These fish can gulp air from the surface and survive in lower oxygen water.
Sunfish
Flathead catfish
Gar
Sea lamprey
Both sexes of this fish guard the nest.
Lake trout
Sunfish
Bullhead
Walleye
These fish were once a major part of Minnesota's fishery?
Brook trout
Darter
Whitefish
Rainbow trout
The Minnesota state fishing record for this species of fish is over 17 pounds.
Largemouth bass
Creek chub
Walleye
Black crappie
This fish can be identified by counting its dorsal spines.
White sucker
White crappie
Bullhead
Dogfish
Steelhead are a migratory variety of this fish.
Smelt
Sea lamprey
American eel
Rainbow trout
The "tiger" versions of this fish is a hybrid between
Muskellunge and gar
Walleye and yellow perch
Northern pike and yellow perch
Northern pike and muskellunge
River dams have hurt the populations of this fish.
Northern pike
Burbot
Largemouth bass
Gar
Sun fish spawn from May to August.
True
False
Largemouth Bass will eat just about any living creature it can swallow.
True
False
Carp damage lakes by making the water muddy
True
False
Lake trout prefer temperatures over 65 degrees.
True
False
Flathead catfish prefer deep pools of large rivers.
True
False
The males of this fish build nest and breed when the water is between 60 and 70 degrees F
Whitefish
Creek chub
Rock bass
Brook trout
This fish has hard, diamond shaped scales.
Walleye
Darter
Gar
Brown trout
More of this fish are stocked into Minnesota waters than any other.
Rainbow trout
Northern pike
Walleye
Sea lamprey
This fish spawns in the late fall.
Carp
Sunfish
Brook trout
Darter
Which of these fish is not native to Minnesota?
Brook trout
Carp
Lake trout
Both B and C
This fish is a day-time hunter and often hides in weed bed.
Walleye
Creek chub
Northern pike
Rainbow darter
This fish was introduced as a prey species for other fish, such as salmon.
White sucker
Fathead minnow
Smelt
Dogfish
The possession limit for Lake sturgeon is
0
1
2
1, over 40 inches in length
This fish looks like a cross between and eel
Sturgeon
Walleye
Shiner minnow
Burbot
Adults of this fish live in the Sargasso Sea?
Smelt
Rainbow trout
American eel
Dogfish
A muskie has five or fewer pores on the underside of its jaw
True
False
Flathead catfish are easily caught on spinner baits.
True
False
Yellow perch, crappies, and sunfish are all considered "pan fish".
True
False
White suckers have huge teeth.
True
False
The black crappie prefers clear water and lots of vegetation.
True
False
Which of the following affect how quickly lake trout can repopulate an area?
They grow slowly
They reproduce at a late age
They live in relatively sterile waters
All of the above
These fish can survive in poorly oxygenated water by gulping air into their swim bladders.
Gar
Darter
Smelt
Brown trout
Bait fish, such as smelt, caught in Lake Superior cannot be used in other Minnesota lakes because of discovery of what fish disease?
Bass tapeworm
Neasucs
VHS- Viral Hemorrhagic Septicemia
Sea lamprey
A large scale-less fish with protruding jaw, long whisker like barbels and a rounded caudal fin describes what type of fish?
Carp
Bullhead
Brook trout
Flathead catfish
This fish has a leaf-shaped larval stage.
Sunfish
Carp
Lake trout
American Eel
This fish can destroy habitat for certain species of waterfowl.
Carp
Creek Chub
Smallmouth bass
Rainbow darter
The males of this species of fish guard and care for their nest.
Walleye
Fathead Minnow
Smelt
Muskellunge
The possession limit is how many fish you can
Catch per day
Have on your person at any given time, including what is in live wells
Determined by the Minnesota DNR
Both B and C
The ideal habitat for large mouth bass is
Shallow, fast moving stream
Deep, clear cold lake
Shallow, fertile, weedy lake
In the main channel of a large river
Steelhead are the Lake Superior variety of what fish?
Smelt
Rainbow trout
Brook trout
Dogfish
White crappies are able to survive in cloudy water better than black crappies.
True
False
The sturgeon's skeleton is composed of cartilage.
True
False
Northern pike are ambush predators.
True
False
The sunfish season begins around May 23rd.
True
False
The bowfin helps control rough fish and stunted game fish populations.
True
False
To help with recovery the DNR has banned the taking of this species of fish from Lake Mille Lacs during the summer of 2016.
Gar
Walleye
Burbot
All of the above
These fish spend part of their life drifting on ocean currents.
American eel
Darter
Yellow perch
Brown trout
Tagging and marking fish is one way the resources managers can help to track
Migration patterns in fish
Stocking success
Age of fish populations
All of the above
Lake trout hybridized with this fish produce a variety of fish called the Splake
Rainbow trout
White fish
Brook trout
Flathead catfish
Minnesota's largest fish is the
Lake trout
Carp
Lake sturgeon
Muskellunge
A bullhead's preferred habitat is
Deep, cold lakes
Shallow, warm, weedy lakes
Fast moving rivers
A and C
The diet of the yellow perch could best be described as
Large fish and birds
Small fish, insect, snails and crayfish
Only smelt
Small plants and plankton
This fish is also called the green bass, black bass, or slough bass.
Largemouth Bass
Smallmouth Bass
Rock Bass
Green Sunfish
What best describes the spawning habits of the brown bullhead?
Males and females guard the nest in sandy shallows
Females build nests in deep cold rivers
Large groups of fish spawn together.
Both B and C
Juvenile sea lamprey feed on the blood of other fish.
True
False
Minnesota resident can fish in non-trout stamp waters in a Minnesota State Park without a license.
True
False
Fishing seasons can be different in different parts of the state.
True
False
The Northern Pike possession limit is 10.
True
False
This species of fish is "catch and release" only for a portion of the fishing season.
Yellow perch
Crappie
Smallmouth bass
All of the above
This fish can survive in hot shallow water because it can breath air if needed.
White Sucker
Gar
Yellow perch
Brown trout
This fish can best be described as golden brown with large dark spots on its sides and dorsal fin.
Shiner minnow
Rainbow trout
Channel catfish
Brown trout
Which two fish can hybridize?
Muskellunge and Northern pike
Lake trout and brook trout
American eel and sea lamprey
Both A and B
Recently introduced species of this fish are known to jump from the water when frightened and may hurt boaters.
Large mouth bass
Carp
Lake sturgeon
Muskellunge
A lake trout's preferred habitat is
Deep, cold lake
Shallow, warm, weedy lakes
Fast moving rivers
Shallow, warm streams
The diet of the muskellunge is best described as
Other fish, frogs, and ducklings
Minnows, insects, snails, and crayfish
Only smelt
Small plants and plankton
These fish are good for bait because they can survive in water with low oxygen levels.
Sea lamprey
Smelt
Rainbow trout
Fathead minnow
What best describes the spawning habits of the sunfish?
Males guard the nest in sandy shallows
Females build nests in deep cold rivers
Large groups of fish spawn together
Females travel up cold streams to lay eggs
Sturgeon must be tagged immediately if they are to be kept.
True
False
Steam trout must have head, tail, fin, and skin intact for transport and storage.
True
False
Children under the age of 15 may fish without a license as long as parent or guardian is licensed.
True
False
Yellow bullheads are the most common type of bullhead in Minnesota.
True
False
The walleye possession limit is 6, not more than one over 20 inches.
True
False
Which fish is a filter feeder that specializes in plankton?
Yellow perch
Freshwater drum
Smallmouth bass
Bigmouth Buffalo
Males of this fish build nests and breed from May to August.
Pumpkinseed
Gar
Paddlefish
Brown trout
This fish has a soft, cartilaginous skeleton and five rows of boney scutes.
Shiner minnow
Lake sturgeon
Channel catfish
Brown trout
The diet of the sea lamprey is best described as
Other fish, frogs, and ducklings
Minnows, insects, snails, and crayfish
Only smelt
The skin and blood of other fish
Which fish can be used as bait if caught with a hook and line and used on the same body of water?
Bullhead
White sucker
Rainbow trout
A and B
Which of these fish is native to Lake Superior?
Lake trout
Coho salmon
Chinook salmon
Both A and C
What best describes the spawning habits of the burbot?
Males guard the nest in sandy shallows
Females build nest in deep cold rivers
Pairs or groups of fish spawn together in late winter, over gravel bottoms
Females lay eggs along warm, muddy river banks
Mille Lacs Lake is an intensive management lake, where fishing regulations and Native American treaty rights are both actively managed.
True
False
Flathead catfish season opens early in April.
True
False
Rainbow trout have small black spots covering their tail fin.
True
False
Smallmouth bass spawn in water temperature of
40-45 Degrees F
50-55 Degrees F
60-65 Degrees F
80-85 Degrees F
This fish is a relative of the saltwater cod.
Walleye
Burbot
Dogfish
Sturgeon
Which of these fish are you most likely to find in the prairie region of southwestern Minnesota?
Brook Trout
Lake Trout
Brown Trout
None of the Above
The state fishing record for this species of fish is over 54 pounds.
Largemouth Bass
Gar
Muskellunge
Carp
This fish has big lips, no teeth, and soft fins.
White sucker
Fathead minnow
Sea lamprey
Dogfish
Female lake sturgeon begin breeding when they are how old?
5-10 years
10-15 years
20-25 years
40-50 years old
The tail fin of a fish is also called the
Adipose fin
Barbel
Caudal fin
Lateral line
A sunfish needs to be aware of which predator fish?
Northern pike
Rainbow trout
Largemouth bass
A and C
This fish spawns in the late fall.
Carp
Sunfish
Brook Trout
Darter
Which best describes a Northern Pike hunting method
Chases down small fish in fast moving streams
Lies in wait in weedy cover and lunges out to grab passing fish
Roots around in the mud for snails and clams
Strains plankton through its gills
Both sexes of this fish guard the nest
Lake trout
Sunfish
Bullhead
Walleye
This stream breeding fish was introduced into the Great Lakes in 1912.
Smelt
Sea Lamprey
American Eel
Both A and B
Sunfish spawn from May to August
True
False
White suckers have huge teeth.
True
False
The sea lamprey feed on blood.
True
False
Longnose gar can survive in hot shallow oxygen poor waters.
True
False
What best describes the spawning habits of the sunfish?
Male guard the nest in sandy shallows
Females build nests in deep cold rivers
Large groups of fish spawn together
Females travel up cold streams to lay eggs
This fish has a soft, cartilaginous skeleton and five rows of bony scutes.
Shiner minnow
Lake sturgeon
Channel catfish
Brown trout
Which of the following fish have an abdominal pelvic fin versus a thoracic pelvic fin?
Bigmouth buffalo
Channel catfish
Largemouth bass
Yellow perch
Which of the following fish stocking sixes is the smallest?
Adult
Fingerling
Fry
Yearling
Which of the fish listed is the only fish that has a possession limit double the bag limit in MN?
Black crappie
Northern pike
Sauger
Yellow perch
Which of the following fish is in the rover predator biological ecological classification?
Brook trout
Bullhead
Paddlefish
White crappie
What percentage of our game fish population is a result of natural reproduction?
5%
35%
65%
95%
Lymphosarcoma is a disease only found in ____ and ___, that is not recommended for personal consumption
Brown and rainbow trout
Channel and flathead catfish
Black and white crappie
Muskellunge and northern pike
Sea lamprey negatively affected all of the following fish species in Lake Superior except
Lake sturgeon
Lake trout
Northern pike
Whitefish
Which of the following fish are most likely to be found in low oxygen water bodies?
Burbot
Longnose gar
Sauger
White Crappie
Which of the following fish spawn in the fall?
Black crappie
Muskellunge
Rainbow trout
Whitefish
Which of the following fish develop a breeding tubercles on their head for spawning?
Creek chub
Fathead
Shiner
Smelt
