Postdoctoral Research Associate. Josh MoattPostdoctoral Research AssociateFunded by the Leverhulme GoogleScholar ResearchGate Research OverviewI am a Postdoctoral Research Associate, funded by the Leverhulme Trust. My research interests lie in life history trade-offs between lifespan and reproduction, particularly interventions which alter the resolution of this trade-off.My current research explores the evolutionary mechanisms underpinning dietary restriction (DR) responses.Further information about my research can be found on my website. BackgroundI carried out my PhD in the Walling Lab, using nutritional geometry to explore dietary restriction responses in a non-model vertebrate species. Much of this work examined how diet influences the trade-off between lifespan and reproduction, alongside broader questions relating to senescence, condition, body composition, growth, and activity.Prior to my PhD, I completed an MSc (by Research) at the University of York, investigating life-history trade-offs associated with plastic sperm competition responses in Drosophila melanogaster. PublicationsRecent PublicationsLifespan Extension by Dietary Restriction: Time to Reconsider the Evolutionary Mechanisms?Moatt JP, Savola E, Regan JC, Nussey DH & Walling CABioEssays (2020), 42:1900241Dietary Restriction and Insulin-Like Signalling Pathways as Adaptive Plasticity: A Synthesis and Re-evaluationRegan JC, Froy H, Walling CA, Moatt JP & Nussey DHFunctional Ecology (2020), 34:107–128Terminal Investment Strategies Following Infection Are Dependent on DietHudson AL, Moatt JP & Vale PFJournal of Evolutionary Biology (2020), 33:309–317 View all publications Reconciling Nutritional Geometry with Classical Dietary Restriction: Effects of Nutrient Intake, Not Calories, on Survival and ReproductionMoatt JP, Fyfe M, Heap E, Mitchell LJM, Moon F & Walling CAAging Cell (2019), e12868 The Relationship Between Telomere Length and Mortality Risk in Non-Model Vertebrate Systems: A Meta-AnalysisWilbourn RV, Moatt JP, Froy H, Walling CA, Nussey DH & Boonekamp JJPhilosophical Transactions of the Royal Society B (2018), 373:20160447 Body Macronutrient Composition Is Predicted by Lipid and Not Protein Content of the DietMoatt JP, Hambly C, Heap E, Kramer A, Moon F, Speakman JR & Walling CAEcology and Evolution (2017), 7:10056–10065 The Effect of Dietary Restriction on Reproduction: A Meta-Analytic PerspectiveMoatt JP, Nakagawa S, Lagisz M & Walling CABMC Evolutionary Biology (2016), 16:199 Sperm Production Responds to Perceived Sperm Competition Risk in Male Drosophila melanogasterMoatt JP, Dytham C & Thom MDFPhysiology & Behaviour (2014), 131:111–114 Exposure to Sperm Competition Risk Improves Survival of Virgin MalesMoatt JP, Dytham C & Thom MDFBiology Letters (2013), 9:20121188 This article was published on Thursday 20 August 2026