How do fisheries renew themselves?

A.Fish swim in from other areas.
B.The fish at lower depths swim up to the surface.
C.New fish are born, replacing those that are caught.
D.Humans deposit fish back into the ocean.

C. New fish are born, replacing those that are caught. Fisheries renew themselves through natural reproduction of fish populations. This is why measures such as fishing quotas and size limits are put in place to ensure that enough fish are able to reproduce and maintain a healthy population for future fishing.