Question

Briefly describe the rearing of fish in India.

Answer 1

Rearing of fish in India:

1. Most of the fishery in India is done in the coastal states such as Goa, Gujarat, Maharashtra, etc.
2. This kind of fishing is also known as a marine fishery.

Fish farming:

1. About half of the fish eaten today is raised globally through fish farming.
2. Some of the most common fish species that are farmed include tuna, salmon, halibut, cod, and trout.
3. The aquafarms can be in a variety of forms such as mesh cages submerged in water or solid enclosures on land.
4. However, the fish farms can cause damage to the ecosystem by causing diseases, bringing in pollutants and invasive species.

Methods of fish farming:

Fish farming involves the following methods:

Extensive fish farming:

1. In this method of farming, economic and labour inputs are low.
2. The natural food production plays an important role in this type of farming.
3. Fertilizers can also be added to increase the fertility and hence, the production of fish.

Semi-intensive fish farming:

1. This method includes mediocre levels of economic and labour inputs.
2. The production can be improved by supplementary feeding or by adding fertilizers.
3. Thus, the yield of fish is higher.

Intensive fish farming:

1. In this method, the ponds are filled with as many fishes as possible.
2. The fish are provided with supplementary feed.

Advantages of fish farming:

1. The farmed fish is rich in high quality protein, thus ideal for human consumption.
2. Fish farming can be inculcated in the already existing farm to make additional income and improve management of water.
3. The farmers can select the desired species of fish.
4. Fishes in a pond are also safe from predators.
5. Thus, they are secure and can be harvested when required.