Great Lakes Fish

Front 1

Five forage fish

Back 1

scupins, bloater, lake herring, sticklebacks, emerald shiner

Front 2

Forage fish diet

Back 2

mainly plankton, insect larvae, some benthos,
some large species eat smaller forage fishes

Front 3

Forage fish are?

Back 3

small fish which tend to serve as food for larger fish

Front 4

Alewife size

Back 4

6-8 inches

Front 5

Alewife color

Back 5

Silvery/irridescent, single black spot behind head at eye level

Front 6

Alewife diet

Back 6

plankton, also small fish and fish eggs

Front 7

Alewife habitat

Back 7

mainly pelagic, sometimes inshore

Front 8

Alewife - invasive?

Back 8

Yes, invaded from Atlantic through the Erie Canal.

Front 9

Walleye size

Back 9

13-20 inches, 1-3 pounds

Front 10

Walleye diet

Back 10

fish

Front 11

Walleye habitat

Back 11

benthic, deep pelagic, inshore

Front 12

Yellow Perch size

Back 12

4-10 inches

Front 13

Yellow perch color?

Back 13

yellow belly and dark vertical bars on sides

Front 14

Yellow Perch diet

Back 14

forage fish, aquatic insects

Front 15

Yellow Perch habitat

Back 15

benthic/inshore

Front 16

Lake Whitefish Size

Back 16

17-22 inches, 1.5-4pounds

Front 17

Lake Whitefish Color

Back 17

Silvery with pale green-brown back

Front 18

Lake Whitefish diet

Back 18

planktivore,small fish and eggs

Front 19

Lake Whitefish Habitat

Back 19

benthic

Front 20

Zebra Mussel Size and color

Back 20

thumb sized, light and dark bands

Front 21

Zebra Mussel diet

Back 21

filter-feeder on small particles and organisms in water

Front 22

Zebra Mussel Habitat

Back 22

Benthic, attach to hard surfaces

Front 23

Zebra Mussel - invasive?

Back 23

yes, arrived in ballast water of international cargo vessels

Front 24

Spiny Water Flea size

Back 24

1 centimeter

Front 25

Spiny Water Flea Description

Back 25

long spiny tail, large single eye

Front 26

Spiny Water Flea diet

Back 26

other zooplankton

Front 27

Spiny Water Flea Habitat

Back 27

pelagic

Front 28

Brown Trout Size

Back 28

20-22 inches, but can be much larger ---- 4-5 pounds

Front 29

Brown Trout Description

Back 29

dark crosses/checks on silvery body, tail with occasional dark spots

Front 30

Brown trout diet

Back 30

smelt, alewife, forage fish

Front 31

Brown trout habitat

Back 31

pelagic, but also in benthic and shallow inshore areas, spawn in rivers

Front 32

Brown trout -- invasive?

Back 32

yes

Front 33

Rainbow Trout size

Back 33

20-30 inches, 6-10 pounds

Front 34

Rainbow Trout description

Back 34

light body with dark spots, side has pinkish band

Front 35

Rainbow Trout diet

Back 35

invertebrates, plankton, forage fish

Front 36

Rainbow trout habitat

Back 36

pelagic, go in rivers from October to May to spawn

Front 37

Rainbow Trout -- invasive?

Back 37

yes

Front 38

Lake trout size

Back 38

31 inches, 10 pounds

Front 39

Lake trout description

Back 39

scattered light spots on dark body; forked tail

Front 40

Lake trout diet

Back 40

forage fish like chubs, lake herring, sticklebacks, alewife, smelt, sculpins

Front 41

Lake trout habitat

Back 41

mainly benthic, but can be found at many depths, spawn on rocky reefs

Front 42

Lake trout subspecies called fat trout

Back 42

siskowet, in deepwater areas of Lake Superior

Front 43

Pacific Salmon Varieties

Back 43

chinook, coho

Front 44

Coho salmon size

Back 44

27 inches, 6.5 pounds

Front 45

Coho salmon description

Back 45

gray gums, blacks spots on back and upper half of tail

Front 46

Chinook salmon size

Back 46

36 inches, 18 pounds

Front 47

Chinoook salmon description

Back 47

black mouth and inner gums, black spots all over tail

Front 48

Pacific Salmon diet

Back 48

alewife, smelt, forage fish

Front 49

Pacific Salmon Habitat

Back 49

pelagic, spawn in rivers/streams

Front 50

Sea lamprey size

Back 50

up to 34 inches

Front 51

Sea lamprey description

Back 51

no jaws, circular mouth with rasping teeth, no paired fins

Front 52

Sea lamprey diet

Back 52

fluids and tissues of large fish, particularly salmon and trout which have small scales

Front 53

Sea lamprey habitat

Back 53

pelagic/benthic, spawn in rivers/streams

Front 54

Sea lamprey larvae?

Back 54

spend several years in sediments feeding on small organisms

Front 55

Sea lamprey -- invasive?

Back 55

yes, came through welland canal (bypassing niagara falls)

Front 56

Rainbow smelt size

Back 56

7-8 inches, 0.25 - 1 pounds

Front 57

Rainbow smelt description

Back 57

long silvery body with rainbow-like iridescent color on sides, adipose fin

Front 58

Rainbow Smelt diet

Back 58

planktivore

Front 59

Rainbow smelt habitat

Back 59

pelagic, spawns in rivers

Front 60

Decapods are?

Back 60

Crayfish

Front 61

Amphipods are?

Back 61

Freshwater shrimp

Front 62

Oligochaetes

Back 62

segmented worms, under 5 cm

Front 63

Chironomids

Back 63

midge larvae

Front 64

Hexagenia

Back 64

mayfly larvae

Front 65

phytoplankton

Back 65

diatoms, green algae, blue-green bacteria, protists