A small (4cm), gracile and agile frog with prominent eyes. Its green coloration makes it look like it is garnished with parsley. It is mostly nocturnal and terrestrial, but breeds in water, with males apparently calling from under water.
Bufo calamita spawn is occasionally devoured by conspecific tadpoles and also by those of other sympatric anurans such as the parsley frog Pelodytes punctatus.