“…Respiration rate (a proxy of metabolic rate) of prey can increase (Beckerman, Wieski, & Baird, 2007;Hawlena & Schmitz, 2010a;Okuyama, 2015;Slos & Stoks, 2008;Steiner & Van Buskirk, 2009) or decrease under predation risk (Antoł, Kierat, & Czarnoleski, 2018;Barry & Syal, 2013;Handelsman et al, 2013;Smith, Sims, & Vich, 1981). Respiration rate (a proxy of metabolic rate) of prey can increase (Beckerman, Wieski, & Baird, 2007;Hawlena & Schmitz, 2010a;Okuyama, 2015;Slos & Stoks, 2008;Steiner & Van Buskirk, 2009) or decrease under predation risk (Antoł, Kierat, & Czarnoleski, 2018;Barry & Syal, 2013;Handelsman et al, 2013;Smith, Sims, & Vich, 1981).…”