Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Fish and Wildlife CDE Test Questions- Fish

Total questions: 110

Worksheet time: 55mins

Name
Class
Date
1.

Minnesota's only catadromous fish is

a)

Lake trout

b)

American eel

c)

Smelt

d)

White sucker

2.

This fish is also called a bowfin, girdle, and beaverfish.

a)

Walleye

b)

Darter

c)

Dogfish

d)

Sturgeon

3.

These fish can gulp air from the surface and survive in lower oxygen water.

a)

Sunfish

b)

Flathead catfish

c)

Gar

d)

Sea lamprey

4.

Both sexes of this fish guard the nest.

a)

Lake trout

b)

Sunfish

c)

Bullhead

d)

Walleye

5.

These fish were once a major part of Minnesota's fishery?

a)

Brook trout

b)

Darter

c)

Whitefish

d)

Rainbow trout

6.

The Minnesota state fishing record for this species of fish is over 17 pounds.

a)

Largemouth bass

b)

Creek chub

c)

Walleye

d)

Black crappie

7.

This fish can be identified by counting its dorsal spines.

a)

White sucker

b)

White crappie

c)

Bullhead

d)

Dogfish

8.

Steelhead are a migratory variety of this fish.

a)

Smelt

b)

Sea lamprey

c)

American eel

d)

Rainbow trout

9.

The "tiger" versions of this fish is a hybrid between

a)

Muskellunge and gar

b)

Walleye and yellow perch

c)

Northern pike and yellow perch

d)

Northern pike and muskellunge

10.

River dams have hurt the populations of this fish.

a)

Northern pike

b)

Burbot

c)

Largemouth bass

d)

Gar

11.

Sun fish spawn from May to August.

a)

True

b)

False

12.

Largemouth Bass will eat just about any living creature it can swallow.

a)

True

b)

False

13.

Carp damage lakes by making the water muddy

a)

True

b)

False

14.

Lake trout prefer temperatures over 65 degrees.

a)

True

b)

False

15.

Flathead catfish prefer deep pools of large rivers.

a)

True

b)

False

16.

The males of this fish build nest and breed when the water is between 60 and 70 degrees F

a)

Whitefish

b)

Creek chub

c)

Rock bass

d)

Brook trout

17.

This fish has hard, diamond shaped scales.

a)

Walleye

b)

Darter

c)

Gar

d)

Brown trout

18.

More of this fish are stocked into Minnesota waters than any other.

a)

Rainbow trout

b)

Northern pike

c)

Walleye

d)

Sea lamprey

19.

This fish spawns in the late fall.

a)

Carp

b)

Sunfish

c)

Brook trout

d)

Darter

20.

Which of these fish is not native to Minnesota?

a)

Brook trout

b)

Carp

c)

Lake trout

d)

Both B and C

21.

This fish is a day-time hunter and often hides in weed bed.

a)

Walleye

b)

Creek chub

c)

Northern pike

d)

Rainbow darter

22.

This fish was introduced as a prey species for other fish, such as salmon.

a)

White sucker

b)

Fathead minnow

c)

Smelt

d)

Dogfish

23.

The possession limit for Lake sturgeon is

a)

0

b)

1

c)

2

d)

1, over 40 inches in length

24.

This fish looks like a cross between and eel

a)

Sturgeon

b)

Walleye

c)

Shiner minnow

d)

Burbot

25.

Adults of this fish live in the Sargasso Sea?

a)

Smelt

b)

Rainbow trout

c)

American eel

d)

Dogfish

26.

A muskie has five or fewer pores on the underside of its jaw

a)

True

b)

False

27.

Flathead catfish are easily caught on spinner baits.

a)

True

b)

False

28.

Yellow perch, crappies, and sunfish are all considered "pan fish".

a)

True

b)

False

29.

White suckers have huge teeth.

a)

True

b)

False

30.

The black crappie prefers clear water and lots of vegetation.

a)

True

b)

False

31.

Which of the following affect how quickly lake trout can repopulate an area?

a)

They grow slowly

b)

They reproduce at a late age

c)

They live in relatively sterile waters

d)

All of the above

32.

These fish can survive in poorly oxygenated water by gulping air into their swim bladders.

a)

Gar

b)

Darter

c)

Smelt

d)

Brown trout

33.

Bait fish, such as smelt, caught in Lake Superior cannot be used in other Minnesota lakes because of discovery of what fish disease?

a)

Bass tapeworm

b)

Neasucs

c)

VHS- Viral Hemorrhagic Septicemia

d)

Sea lamprey

34.

A large scale-less fish with protruding jaw, long whisker like barbels and a rounded caudal fin describes what type of fish?

a)

Carp

b)

Bullhead

c)

Brook trout

d)

Flathead catfish

35.

This fish has a leaf-shaped larval stage.

a)

Sunfish

b)

Carp

c)

Lake trout

d)

American Eel

36.

This fish can destroy habitat for certain species of waterfowl.

a)

Carp

b)

Creek Chub

c)

Smallmouth bass

d)

Rainbow darter

37.

The males of this species of fish guard and care for their nest.

a)

Walleye

b)

Fathead Minnow

c)

Smelt

d)

Muskellunge

38.

The possession limit is how many fish you can

a)

Catch per day

b)

Have on your person at any given time, including what is in live wells

c)

Determined by the Minnesota DNR

d)

Both B and C

39.

The ideal habitat for large mouth bass is

a)

Shallow, fast moving stream

b)

Deep, clear cold lake

c)

Shallow, fertile, weedy lake

d)

In the main channel of a large river

40.

Steelhead are the Lake Superior variety of what fish?

a)

Smelt

b)

Rainbow trout

c)

Brook trout

d)

Dogfish

41.

White crappies are able to survive in cloudy water better than black crappies.

a)

True

b)

False

42.

The sturgeon's skeleton is composed of cartilage.

a)

True

b)

False

43.

Northern pike are ambush predators.

a)

True

b)

False

44.

The sunfish season begins around May 23rd.

a)

True

b)

False

45.

The bowfin helps control rough fish and stunted game fish populations.

a)

True

b)

False

46.

To help with recovery the DNR has banned the taking of this species of fish from Lake Mille Lacs during the summer of 2016.

a)

Gar

b)

Walleye

c)

Burbot

d)

All of the above

47.

These fish spend part of their life drifting on ocean currents.

a)

American eel

b)

Darter

c)

Yellow perch

d)

Brown trout

48.

Tagging and marking fish is one way the resources managers can help to track

a)

Migration patterns in fish

b)

Stocking success

c)

Age of fish populations

d)

All of the above

49.

Lake trout hybridized with this fish produce a variety of fish called the Splake

a)

Rainbow trout

b)

White fish

c)

Brook trout

d)

Flathead catfish

50.

Minnesota's largest fish is the

a)

Lake trout

b)

Carp

c)

Lake sturgeon

d)

Muskellunge

51.

A bullhead's preferred habitat is

a)

Deep, cold lakes

b)

Shallow, warm, weedy lakes

c)

Fast moving rivers

d)

A and C

52.

The diet of the yellow perch could best be described as

a)

Large fish and birds

b)

Small fish, insect, snails and crayfish

c)

Only smelt

d)

Small plants and plankton

53.

This fish is also called the green bass, black bass, or slough bass.

a)

Largemouth Bass

b)

Smallmouth Bass

c)

Rock Bass

d)

Green Sunfish

54.

What best describes the spawning habits of the brown bullhead?

a)

Males and females guard the nest in sandy shallows

b)

Females build nests in deep cold rivers

c)

Large groups of fish spawn together.

d)

Both B and C

55.

Juvenile sea lamprey feed on the blood of other fish.

a)

True

b)

False

56.

Minnesota resident can fish in non-trout stamp waters in a Minnesota State Park without a license.

a)

True

b)

False

57.

Fishing seasons can be different in different parts of the state.

a)

True

b)

False

58.

The Northern Pike possession limit is 10.

a)

True

b)

False

59.

This species of fish is "catch and release" only for a portion of the fishing season.

a)

Yellow perch

b)

Crappie

c)

Smallmouth bass

d)

All of the above

60.

This fish can survive in hot shallow water because it can breath air if needed.

a)

White Sucker

b)

Gar

c)

Yellow perch

d)

Brown trout

61.

This fish can best be described as golden brown with large dark spots on its sides and dorsal fin.

a)

Shiner minnow

b)

Rainbow trout

c)

Channel catfish

d)

Brown trout

62.

Which two fish can hybridize?

a)

Muskellunge and Northern pike

b)

Lake trout and brook trout

c)

American eel and sea lamprey

d)

Both A and B

63.

Recently introduced species of this fish are known to jump from the water when frightened and may hurt boaters.

a)

Large mouth bass

b)

Carp

c)

Lake sturgeon

d)

Muskellunge

64.

A lake trout's preferred habitat is

a)

Deep, cold lake

b)

Shallow, warm, weedy lakes

c)

Fast moving rivers

d)

Shallow, warm streams

65.

The diet of the muskellunge is best described as

a)

Other fish, frogs, and ducklings

b)

Minnows, insects, snails, and crayfish

c)

Only smelt

d)

Small plants and plankton

66.

These fish are good for bait because they can survive in water with low oxygen levels.

a)

Sea lamprey

b)

Smelt

c)

Rainbow trout

d)

Fathead minnow

67.

What best describes the spawning habits of the sunfish?

a)

Males guard the nest in sandy shallows

b)

Females build nests in deep cold rivers

c)

Large groups of fish spawn together

d)

Females travel up cold streams to lay eggs

68.

Sturgeon must be tagged immediately if they are to be kept.

a)

True

b)

False

69.

Steam trout must have head, tail, fin, and skin intact for transport and storage.

a)

True

b)

False

70.

Children under the age of 15 may fish without a license as long as parent or guardian is licensed.

a)

True

b)

False

71.

Yellow bullheads are the most common type of bullhead in Minnesota.

a)

True

b)

False

72.

The walleye possession limit is 6, not more than one over 20 inches.

a)

True

b)

False

73.

Which fish is a filter feeder that specializes in plankton?

a)

Yellow perch

b)

Freshwater drum

c)

Smallmouth bass

d)

Bigmouth Buffalo

74.

Males of this fish build nests and breed from May to August.

a)

Pumpkinseed

b)

Gar

c)

Paddlefish

d)

Brown trout

75.

This fish has a soft, cartilaginous skeleton and five rows of boney scutes.

a)

Shiner minnow

b)

Lake sturgeon

c)

Channel catfish

d)

Brown trout

76.

The diet of the sea lamprey is best described as

a)

Other fish, frogs, and ducklings

b)

Minnows, insects, snails, and crayfish

c)

Only smelt

d)

The skin and blood of other fish

77.

Which fish can be used as bait if caught with a hook and line and used on the same body of water?

a)

Bullhead

b)

White sucker

c)

Rainbow trout

d)

A and B

78.

Which of these fish is native to Lake Superior?

a)

Lake trout

b)

Coho salmon

c)

Chinook salmon

d)

Both A and C

79.

What best describes the spawning habits of the burbot?

a)

Males guard the nest in sandy shallows

b)

Females build nest in deep cold rivers

c)

Pairs or groups of fish spawn together in late winter, over gravel bottoms

d)

Females lay eggs along warm, muddy river banks

80.

Mille Lacs Lake is an intensive management lake, where fishing regulations and Native American treaty rights are both actively managed.

a)

True

b)

False

81.

Flathead catfish season opens early in April.

a)

True

b)

False

82.

Rainbow trout have small black spots covering their tail fin.

a)

True

b)

False

83.

Smallmouth bass spawn in water temperature of

a)

40-45 Degrees F

b)

50-55 Degrees F

c)

60-65 Degrees F

d)

80-85 Degrees F

84.

This fish is a relative of the saltwater cod.

a)

Walleye

b)

Burbot

c)

Dogfish

d)

Sturgeon

85.

Which of these fish are you most likely to find in the prairie region of southwestern Minnesota?

a)

Brook Trout

b)

Lake Trout

c)

Brown Trout

d)

None of the Above

86.

The state fishing record for this species of fish is over 54 pounds.

a)

Largemouth Bass

b)

Gar

c)

Muskellunge

d)

Carp

87.

This fish has big lips, no teeth, and soft fins.

a)

White sucker

b)

Fathead minnow

c)

Sea lamprey

d)

Dogfish

88.

Female lake sturgeon begin breeding when they are how old?

a)

5-10 years

b)

10-15 years

c)

20-25 years

d)

40-50 years old

89.

The tail fin of a fish is also called the

a)

Adipose fin

b)

Barbel

c)

Caudal fin

d)

Lateral line

90.

A sunfish needs to be aware of which predator fish?

a)

Northern pike

b)

Rainbow trout

c)

Largemouth bass

d)

A and C

91.

This fish spawns in the late fall.

a)

Carp

b)

Sunfish

c)

Brook Trout

d)

Darter

92.

Which best describes a Northern Pike hunting method

a)

Chases down small fish in fast moving streams

b)

Lies in wait in weedy cover and lunges out to grab passing fish

c)

Roots around in the mud for snails and clams

d)

Strains plankton through its gills

93.

Both sexes of this fish guard the nest

a)

Lake trout

b)

Sunfish

c)

Bullhead

d)

Walleye

94.

This stream breeding fish was introduced into the Great Lakes in 1912.

a)

Smelt

b)

Sea Lamprey

c)

American Eel

d)

Both A and B

95.

Sunfish spawn from May to August

a)

True

b)

False

96.

White suckers have huge teeth.

a)

True

b)

False

97.

The sea lamprey feed on blood.

a)

True

b)

False

98.

Longnose gar can survive in hot shallow oxygen poor waters.

a)

True

b)

False

99.

What best describes the spawning habits of the sunfish?

a)

Male guard the nest in sandy shallows

b)

Females build nests in deep cold rivers

c)

Large groups of fish spawn together

d)

Females travel up cold streams to lay eggs

100.

This fish has a soft, cartilaginous skeleton and five rows of bony scutes.

a)

Shiner minnow

b)

Lake sturgeon

c)

Channel catfish

d)

Brown trout

101.

Which of the following fish have an abdominal pelvic fin versus a thoracic pelvic fin?

a)

Bigmouth buffalo

b)

Channel catfish

c)

Largemouth bass

d)

Yellow perch

102.

Which of the following fish stocking sixes is the smallest?

a)

Adult

b)

Fingerling

c)

Fry

d)

Yearling

103.

Which of the fish listed is the only fish that has a possession limit double the bag limit in MN?

a)

Black crappie

b)

Northern pike

c)

Sauger

d)

Yellow perch

104.

Which of the following fish is in the rover predator biological ecological classification?

a)

Brook trout

b)

Bullhead

c)

Paddlefish

d)

White crappie

105.

What percentage of our game fish population is a result of natural reproduction?

a)

5%

b)

35%

c)

65%

d)

95%

106.

Lymphosarcoma is a disease only found in ____ and ___, that is not recommended for personal consumption

a)

Brown and rainbow trout

b)

Channel and flathead catfish

c)

Black and white crappie

d)

Muskellunge and northern pike

107.

Sea lamprey negatively affected all of the following fish species in Lake Superior except

a)

Lake sturgeon

b)

Lake trout

c)

Northern pike

d)

Whitefish

108.

Which of the following fish are most likely to be found in low oxygen water bodies?

a)

Burbot

b)

Longnose gar

c)

Sauger

d)

White Crappie

109.

Which of the following fish spawn in the fall?

a)

Black crappie

b)

Muskellunge

c)

Rainbow trout

d)

Whitefish

110.

Which of the following fish develop a breeding tubercles on their head for spawning?

a)

Creek chub

b)

Fathead

c)

Shiner

d)

Smelt