Ch30 - Fish

Question 1

What is the name of the bony plate that covers the gills of a fish?

Answer 1

Operculum

Question 2

Fish should not be used for egg collection more than once per

Answer 2

Week

Question 3

What is the correct water temperature for raising zebrafish?

Answer 3

28.5 degrees C

Question 4

What are 3 common identification methods used in fish?

Answer 4

Fin clipping
Transponder
Tag

Question 5

What are 3 appropriate techniques for handling fish?

Answer 5

1. Touch the animal gently to avoid disrupting the mucus layer
2. Place the fish on a wet towel or sponge
3. Wear wet gloves

Question 6

True or False: in some institutions, fish in quarantine are used only to reproduce embryos

Answer 6

True

Question 7

What fish organ extracts oxygen from the water?

Answer 7

Gills

Question 8

What is one of the most common species of fish used in lab animal facilities?

Answer 8

Zebrafish (Danio rerio)

Question 9

When plastic bags containing fish are received into the facility, what should be the first step to acclimate the fish?

Answer 9

Float the bag in the receiving tank until the bag reached the same temperature as the water in the tank

Question 10

What are 3 physical signs of pain/distress in fish?

Answer 10

1. change in skin color
2. opercular flaring
3. loss of bouyancy control