Freshwater Fish Identification

Question 1

What are the main groups in the salmonid family? (5)

Answer 1

Salmon
Trout
Char 
Whitefish
Greyling

Question 2

How do you distinguish a salmon from a trout

Answer 2

Salmon have much smaller anal fins that extend on an angle from the fish, whereas the anal fins of trout are much longer and extend laterally

Question 3

How do you distinguish a trout from a char? (2)

Answer 3

Trout have dark spots on a light-coloured body

Char have light spots on a dark-coloured body

Question 4

What are the main species of char? (4)

Answer 4

Lake trout
Brook trout
Bull trout
Dolly Varden

Question 5

What is the only trout species that we covered?

Answer 5

Brown Trout

Question 6

What are the main species of salmon? (5)

Answer 6

Chinook
Coho
Pink 
Chum
Sockeye

Question 7

What whitefish species did we cover?

Answer 7

Mountain Whitefish

Question 8

Non-Salmonid Freshwater Fish (5)

Answer 8

Lampreys - no gills
Suckers - sucker mouth with bumps
Minnows - longnose/Nooksack, redside shiner, brassy minnow etc. 
Sticklebacks - threespine stickleback 
Sculpins - prickly sculpin etc. 
...And many more

Question 9

What are some fish handling considerations? (4)

Answer 9

Minimize handling
Bare hands only
Keep hands wet
Gently support body weight

Question 10

What are some fish holding considerations? (4)

Answer 10

Use dark coloured buckets
Add refugia to minimize stress
Maintain dissolved oxygen and temperature
Avoid having too many fish in the bucket