Chapter 4: Fish Management

Question 1

A pestiferous fish is are fish that are____.

Answer 1

Undesirable

Question 2

When would you want to control fish?

Answer 2

If it’s an undesirable species introduced to a body of water, adversely affecting fish already present.

If one or more species overpopulates. May deplete food.

Predator fish are not large enough to control smaller fish.

Question 3

Some pestiferous fish in Washington (negatively affect their environment) include what types of fish?

Answer 3

Carp
Bullheads
Perch
Suckers

Question 4

Four ways fish populations are controls are:

Answer 4

Fishing regulations
Environmental control
Mechanical control
Chemical control

Question 5

True or false: removing vegetation is a way to control fish populations

Answer 5

True. It is an environmental control.

Question 6

True or false: an example of chemical control for fish is to use nets to stop fish from migrating to a new environment.

Answer 6

False. This is a mechanical control.

Question 7

What type of control is the last resort to control fish populations?

Answer 7

Chemical. It is used when the other control types do not work