The prawn vs shrimp conversation is an ongoing food debate and many people still confuse the two.
As similar as the two foods may be there are many differences to each species.
Gills, body shape, legs and the eggs are all different and this infographic from The Moscow News - there's even a fun fact about king of the barbie Paul Hogan.
Dal is one of those recipes that goes all the way back to the Indus Valley Civilisation. Unlike dishes such as biryani, brought to India by the Moghuls, it is one of those foods that has always been there. It is therefore a building block of Indian culture.