What Is Exotic Carps?

Exotic carps are those species that are non-indigenous having their origin in another country and has been introduced into the Indian waters. They generally have established culture technologies and the economics of production and marketability.

Which fish is exotic carp?

The suitability of exotic carps namely Aristichthys nobilis (Bighead carp), Hypophthalmichthys molitrix (Silver carp), Ctenopharyngodon idellus (Grass carp), Cyprinus carpio (Common carp) and Labeo rohita (Rohu) in a sub-tropical lake was evaluated. The impact of their introduction on native fishes was also studied.

What does exotic fish mean?

Solution: A variety of fish species have been brought in from other nations and cultured in Indian freshwater. These fish are known as exotic fishes because they are not native to this country.

Is Rohu a exotic carp?

It is an exotic variety of carp that are bred and domesticated for ornamental purposes. Labeo rohita, also known as Rohu. It is the most important among the three Indian major carp species used in carp polyculture systems.

Which one is an exotic fish?

1 Answer. Explanation: Catla catla and Labeo rohita are the two Indian major carps whereas Heteropneustes is a catfish. Cyprinus is the exotic breed.

What are the advantages of exotic fishes?

(1) The exotic carps, due to their fast growth rate (high food conversion ratio), have become good candidates for the composite fish culture practice. They contribute handsomely to the yield and can solve the scarcity of protein in India. Grass carp has been reported to have attained a weight of 5 kg in a year.

Is grass carp exotic?

The silver carp and grass carp are native to China and hence are known as exotic carps. They were first introduced into India in the year 1959.

What are Indian major carps?

The major carps of India fall under three genera, Catla, Labeo and Cirrhinus. Under the genus Catla, the species C. catla, under the genus Labeo fall the species L. rohita, L.

What is the difference between indigenous and exotic ornamental fish?

Indigenous species are native species of a country and bred in the same country by similar species. Exotic species are species that are brought from other countries bred within same varieties or crossed with indigenous or other exotic species.

Why exotic fishes are introduced in India?

The introduction of exotic fishes in the Indian waters can be traced as having more than a century old history. While the country was under the British rule, such fisheries were possibly introduced as a means for recreational fisheries.

Is rohu exotic fish?

These are also called as Exotic Fishes in India. Indian system: – The Indian carps are cultured together and are also cultured with Chinese carps. These carps are rohu – Labeo rohita, catla – Catla catla and mrigal – Cirrhinus mrigala. European system: – The main species cultured is the common carp – Cyprinus carpio.

Is rohu and Catla same?

Commonly called as catla in most part of the country. Rohu are column feeder. They feed on algae and zooplankton. Juveniles feed more than adult one.

Which carp is the largest in India?

In India, the major carps, Catla (Catla catla), Rohu (Labeo rohita) and Mrigal (Cirrhinus mrigala) are the mainstay of freshwater aquaculture. The major carps are the most preferred farm fishes because of their fast growth and higher acceptability to consumers.

Which Indian fish is exotic?

[c] Catla catla and Labeo rohita are the two Indian maj or carps whereas Heteropneustes is a catfish. Cyprinus is the exotic breed.

Which of the following is a exotic Larvivorous fish?

Gambusia affinis and Poecilia reticulata are the two most important larvivorous fish which have been used extensively in the country for the control of mosquito breeding in urban area. Both these fish though exotic but have acclimatized very well in different types of climatic conditions prevailing in the country.

What are the example of exotic species?

Exotic species are those that have been intentionally or unintentionally introduced by humans into an ecosystem in which they did not evolve. Such introductions probably occur frequently as natural phenomena. For example, Kudzu (Pueraria lobata), which is native to Japan, was introduced in the United States in 1876.

What is exotic species in aquaculture?

Exotic animals are defined as “species occurring outside of its natural range”. Among numerous reasons for introduction of exotic aquatic animals into countries, aquaculture development is said to be a main motive (Welcomme, 1998 and FAO DIAS).

What is the impact of culturing exotic ornamental fishes in natural ecosystem?

They may prey upon native fishes, introduce new diseases and parasites, result in the production of hybirds and cause genetic ‘erosion’ of indigenous species and degradation of the physico-chemical nature of aquatic ecosystems. All this will subsequently lead to loss of biodiversity (Nyman, 1991).

How many exotic fish are there in Bangladesh?

References (15)Bangladesh has ≈266 fish species in freshwater ecosystems, including species introduced for aquaculture for human consumption and biocontrol of malaria [11].

What is difference between major and minor carp?

Major carps are generally big, grow fast, attain bigger sizes, reproduce at much faster rates than minor carps and thus are more favorably cultured in the aqua-farms. Labeo calbasu is a minor carp. Hence, option C is correct.

What carp means?

plural carp or carps. Definition of carp (Entry 3 of 5) 1 : a large variable Asian soft-finned freshwater cyprinid fish (Cyprinus carpio) of sluggish waters that is often raised for food and has been widely introduced into U.S. waters also : any of various related cyprinid fishes (such as the grass carp)