Effect of different levels of environmental enrichment on the welfare of guppy (Poecilia reticulata) - Manenti, Isabella; Sicuro, Benedetto; Macchi, Elisabetta; Ponzio, Patrizia; Crosetto, Riccardo; Cavallari, Sharon; Tarantola, Martina; Mugnai, Cecilia (Frontiers in Fish Science, 2025)