039 | Age and growth of the mesopelagic fish Electrona risso (myctophidae) from the Strait of Messina (central Mediterranean sea): Calogero Fontana1, Alice Vaccaro2, Francesco Longo1, Danilo Malara3, Emanuela Fanelli2|4, Pietro Battaglia1|4 | 1Stazione Zoologica Anton Dohrn, Sicily Marine Centre, Messina, Italy; 2Università Politecnica delle Marche UNIVPM, Dipartimento di Scienze della Vita e dell’Ambiente, Ancona, Italy; 3Northern Territory Government of Australia, Department of Agriculture and Fisheries, Fisheries Division, Berrimah, NT, Australia; 4National Biodiversity Future Center, Palermo, Italy. J Biol Res. 2026;99(s1). doi:10.4081/jbr.2026.15291