Originally Posted by ChefJune
Acquarello is a brand of Arborio rice. Carnaroli and Vialone Nano are varieties of Arborio Rice.
FWIW, you will not achieve the creamy texture for your risotto if you use regular short grain rice. You need the Arborio.
Warning: know-it-all note
Actually, Vialone Nano has been created from the Nano and the Vialone varieties, Carnaroli from Vialone and Leoncino varieties, Arborio from Vialone and Lady Wright.
End of know-it-all note
And here you can see the endless ricefields around my hometown, the heartland of rice production in Europe!