Which of the following groups represents major carp fish?

Identify the correct statements from the following:
$(i)$ Modern techniques are implemented to increase the production of plants and animals in marine habitats.
$(ii)$ $Catla$,$Rohu$,$Mrigal$,and $Hilsa$ are major carp fishes.
$(iii)$ $Hilsa$,$Sardines$,$Rohu$,and $Mrigal$ are marine food fishes.
$(iv)$ Fisheries can be either marine or freshwater.

Estuarine fish culture is a culture of fish in

Crustacean fishery involves:

What is aquaculture? Give an example of an animal that can be multiplied by aquaculture.

The main source of fishery products is ......... .