Popular marine fish varieties include pomphret, mackerel, tuna, sardines, and Bombay duck.

Capture fishing involves harvesting fish from natural habitats like oceans, rivers, and lakes, while fish farming involves raising fish in controlled environments such as ponds, tanks, or cages.

Fish production includes finned true fish as well as shellfish such as prawns and molluscs.

Fish farming can utilize either seawater or freshwater, with freshwater sources including rivers, lakes, and ponds.

The farming of shellfish such as prawns and molluscs is often referred to as mariculture or shellfish aquaculture.