Claim: Le pescatrici casted two characters each for soprano, tenor and bass voice types.
Evidence: Lesbina, a fisherwoman, Burlotto's sister and Frisellino's girlfriend soprano Nerina, a fisherwoman, Frisellino's sister and Burlotto's girlfriend soprano Burlotto, a young fisherman tenor Frisellino, a young fisherman tenor Mastricco, an old fisherman bass Lindoro, Prince of Sorrento bass