Estuarine fish culture includes the fishes:

Which of the following is a freshwater fish?

Aquaculture includes which of the following?

What is the primary source of fishery products?

Write the importance and utility of the aquaculture method.

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.