What are the two ways of obtaining fish?


Fish can be obtained by two ways: (i) Capture fishing: It is the process of obtaining fish from natural resources. (ii) Culture fishery: It is the practice of farming fishes. Farming can be done in both freshwater ecosystem (which includes river water, pond water) and marine ecosystem.

How are fish obtained Brainly?

Fish can be obtained by two ways: 1) Capture fishing:- It is the process of obtaining fish from natural resources. 2) Culture fishery:- It is the practice of farming fishes, Farming can be done in both fresh water ecosystem (which includes river water, pond water) and marine ecosystem.

What do you mean by capture fisheries?

Capture fishery: Capture fishing is collecting fish straight from waterways, such as lakes, seas, and ponds. Culture fishery: Culture fisheries include raising, rearing, and catching fish within tanks.

What are advantages of fish culture?

Advantages of Fish Farming The farmed fish provides high quality protein for human consumption. Fish farming can be integrated into the existing farm to create additional income and improve its water management. The farmers can select the fish species with desired characteristics to raise.

How are fish obtained?

These fishes are obtained in two methods, capturing fish and fish culture. In fish capture, the fishes are captured from various water bodies whether freshwater or marine. Fish culture is a method of breeding fishes in different water ecosystems, it can be marine as well as freshwater.

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What are the advantages of composite fish culture class 9?

An advantage of composite fish culture is that it increases the yield of fish. Nearly, five or six different species are grown together in a single fish pond. The survival rate of fish increases and their yield also increases without affecting the other species. Was this answer helpful?

What are the ways of capturing fish?

The capture methods can be categorized as passive capture techniques, active netting, and electrofishing. All three are used in freshwaters and require determination of catch per unit effort. If all things are equal, twice the effort should lead to capture of twice as many fishes.

What are the examples of capture fishing?

Capture fisheries is intended for catching fishes, prawns, lobsters, crabs, molluscs etc. India is endowed with vast and varied aquatic resources (Marine and Inland) amenable for capture fisheries. India is the third largest producer of fish and second largest producer of inland fish in the world.

How fish are being captured?

Fishing techniques include hand-gathering, spearfishing, netting, angling and trapping. Recreational, commercial and artisanal fishers use different techniques, and also, sometimes, the same techniques. Recreational fishers fish for pleasure or sport, while commercial fishers fish for profit.

What is difference between aquaculture and mariculture?

Aquaculture is farming of salt water and freshwater organisms like finfish, crustaceans molluscs and aquatic plants. Mariculture, on the other hand is a specialized wing of aquaculture that is undertaken in marine environments.

What is called mariculture?

Mariculture or marine farming is a specialized branch of aquaculture (which includes freshwater aquaculture) involving the cultivation of marine organisms for food and other animal products, in enclosed sections of the open ocean (offshore mariculture), fish farms built on littoral waters (inshore mariculture), or in …

What is difference between aquaculture and pisciculture?

The essential difference between aquaculture and pisciculture is that aquaculture is the process of breeding, rearing and harvesting of aquatic flora and fauna with commercial value in saltwater or freshwater while pisciculture is the culturing of fish (fish farming) to obtain fish and fish products as food.

What is the importance of fish farming?

It is also a more efficient use of land and resources than raising cattle or pork. Land that is used to grow fish produces ten times more consumable product than the amount of cattle or pork that would be produced by the same area of land; and fish farming requires less input than raising cattle or pork.

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What is the name of rearing of fish?

aquaculture, also called fish farming, fish culture, or mariculture, the propagation and husbandry of aquatic plants, animals, and other organisms for commercial, recreational, and scientific purposes.

What is the major problem faced in fish farming How can it be overcome?

Thus, a major problem in fish farming is the lack of availability of good-quality stock. To overcome this problem, ways have now been worked out to breed these fish in ponds using hormonal stimulation. This has ensured the supply of pure fish stock in desired quantities.

What is composite fish culture?

Composite fish culture is the method to culture five or six species, both indegenous and exotic, together in a single fish pond. These species are selected so that they do not compete for food among themselves having different types of food habits. As a result food available in all the parts of the pond is used.

What is composite fish culture?

Composite fish culture is the method to culture five or six species, both indegenous and exotic, together in a single fish pond. These species are selected so that they do not compete for food among themselves having different types of food habits. As a result food available in all the parts of the pond is used.

What is composite fish culture what are its disadvantages?

Composite fish culture system involves the culture of several species of fish at a same time in a same pond. It is adopted for intensive fishing to increase the fish yield. Disadvantages of composite fish culture are as follows. Lack of availability of good quality fish seeds.

What is integrated and composite fish farming?

Solution : When culturing of fish and agricultural crops (e.g., paddy, banana, coconut) or culturing of fish and poultry farming are combined to get mutual benefits, it is called integrated fish culture.
(b) Culturing of combination of two or more fish species in a single pond is called composite fish culture.

What is composite fish culture write about the two ways of obtaining fish?

Answer: Composite fish culture is a method of rearing five to six varieties of fish species in a single pond. Species are selected in such a way that they should not compete with other for food because of change in their food habits. Hence fishes use food available in pond.

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What is composite fish culture how does it differ from monoculture?

In composite fish culture more than 10,000/kg/ha/yr fish yield can be obtained in different agro-climatic regions of our country. Monoculture is the culture of a single species of fish in a pond. If only one species is introduced into a pond, due to the same dietary habits, all the fish congregate at one place.

What are the three main types of fishing industry?

There are three principal industry sectors according to the Food and Agriculture Organization as including recreational, subsistence and commercial fishing.

What are the two types of fisheries?

Marine and inland fisheries The marine fish are caught using many kinds of fishing nets through fishing boats. Some marine fishes of high economical value are also found in sea water. E.g., mullets, bhetki, peral spots, shel fishes such as prawns, mussels and oysters etc.

How many types of fishery are there?

There are two main types of fisheries: Inland fisheries and marine fisheries.

What is the difference of capture and culture fish give an example to sight or prove your answer?

Complete answer: Capture fishery involves catching fish directly from water bodies i.e. lakes, sea, ponds, etc. Culture fishery involves growing, rearing, and then capturing of fishes from fish tanks. The capture is done from natural water bodies such as oceans, rivers, lakes, and ponds.

How do fishermen find fish?

Some sonar systems are especially designed to locate fish. These systems use the same basic principle as other sonar systems – they transmit sound pulses, measure the time it takes for echoes to return, and calculate the distance to the objects. (See: How do people and animals use sound in the sea).

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