What is fish rearing called?

Fish rearing is commonly called aquaculture.

This term encompasses the farming of aquatic organisms, including:

* Fish: This is the most common form of aquaculture, with species like salmon, tuna, catfish, and carp being widely reared.

* Shellfish: This includes bivalves like oysters, clams, and mussels, as well as crustaceans like shrimp, prawns, and crabs.

* Seaweed: The cultivation of algae for food and other products.

Fishery is a related term, but it refers to the harvesting of wild fish populations from natural waters, rather than the raising of fish in controlled environments.