Yellowfin Tuna Ventresca in Olive Oil by CallipoYellowfin Tuna Ventresca in Olive Oil by Callipo Ventresca Tuna is also referred to as "the foie gras of the tuna fish". It is the richest, smoothest tuna you will ever experience. Because of the high demand for belly tuna in Japan for sushi, where it is called Toro, Ventresca is always in short supply. This Ventrsca is premium quality tuna of the Yellow Fin species, whose natural habitat are uncontaminated tropical and subtropical ocean waters. New