Inbreeding is a widespread phenomenon that decreases fitness and inbreeding depression occurs because matings between relatives lead to an increase in homozygosity. Inbreeding is a pervasive force in evolutionary ecology driving the evolution of different traits, mating systems, and influencing population dynamics. It is generally assumed that the negative effects of inbreeding are exacerbated in stressful environments. We conducted experimental studies that explore whether life history, morphological, and sexual traits show inbreeding depression, and if this effect is increased by an interaction with an early stressful environment. The present studyhighlights the need to look at the interplay between the many different factors that can affect an individual’s fitness. Additionally, we show that inbreeding depression might not be evident based on the phenotype of individual traits, and only become apparent when looking at key fitness components.