As the number of Franciscan saints increased, iconography struggled to distinguish Anthony from the others. Because of a legend that he had once preached to the fish by the mouth of the river Marecchia in Rimini, this was sometimes used as his attribute. He is also often seen with a white lily stalk, representing his purity. Other conventions referred to St. Anthony's visionary fervor. Thus, one attribute in use for some time was a flaming heart. He is also sometimes depicted along with the mule in Rimini that allegedly bowed down to him holding the Eucharist.