This picture I took from a remote area of
They were catching shrimps with net in a hatchery. In that area pisciculture is common. After harvesting the seasonal crop, when the rainy season comes and the field fill with water then the farmer start this work and April to October.
This kind of fishes is very demandable fish.
Bangladesh earns more foreign exchange with this fish. For this it’s called the ‘White Gold’.