Mark the correct statement with regard to fishes.

Fishes obtain omega 3 fatty acids by consuming phytoplankton which absorb microalgae and thus are rich source of it.

Fishes synthesise the omega 3 fatty acids in the body by certain metabolic pathways  and thus are rich source of it.

Anadromous migration helps in accumulating omega 3 fatty acids and thus are rich source of it.

Plant food like flax seeds alone are good source of omega 3 fatty acids, not fishes.