The correct answer is: b) Subsistence fishing.
Subsistence fishing is a type of fishing that is done to meet the immediate needs of the fishers and their families. It is often done in small-scale operations, using traditional methods and equipment. Subsistence fishing is an important source of food and income for many people around the world, including in Nagaland.
Commercial fishing is a type of fishing that is done to sell the fish caught. It is often done on a large scale, using modern methods and equipment. Commercial fishing is a major industry in many countries, including India.
Sport fishing is a type of fishing that is done for recreation. It is often done on a small scale, using traditional or modern methods and equipment. Sport fishing is a popular activity for many people around the world.
Aquaculture is the farming of fish and other aquatic organisms. It is a major industry in many countries, including India. Aquaculture is used to produce food, fishmeal, and fish oil.
In Nagaland, subsistence fishing is the most common type of fishing. The main fish species caught are carp, catfish, and mahseer. The fish are caught using a variety of methods, including nets, traps, and hooks. The fish are then sold in local markets or used for food.