What do you breed and rear if are a pisciculturist?

If you are a pisciculturist, you breed and rear fish. Pisciculture is the breeding, rearing, and harvesting of fish, especially for food. It is a branch of aquaculture, which is the farming of aquatic organisms such as fish, shellfish, and algae. Pisciculturists use various techniques to raise fish, including selective breeding, feeding, and disease prevention. They may also work on improving the quality of water and habitat for fish.