After Pampas XV won the Vodacom Cup, Tuculet was selected for Los Jaguares (Argentina A; not to be confused with the Super Rugby team) for the IRB Nations Cup in Romania and was the teams fullback. Tuculet played for Argentina in the IRB Junior World Championship in 2008 in Wales and 2009 in Japan, featuring for Los Pumitas in matches vs Fiji, Ireland, New Zealand and Uruguay as the teams fullback. He got his first cap for Argentina in 2012, playing against Italian Rugby Union team.