Data from: Melanin in a changing world: brown trout coloration reflects alternative reproductive strategies in variable environments

Lisa Jacquin, Zoé Gauthey, Vincent Roussille, Michel Le Hénaff, Cédric Tentelier & Jacques Labonne
Melanins are the most widespread pigments in animals but their adaptive significance remains elusive. Recent studies suggest that intraspecific variation in melanin-based coloration reflects individual genetic-based alternative strategies to cope with environment variability, which could be crucial for their responses to climate changes. However, empirical evidence is still scarce. In this study, we tested how skin coloration in natural populations of brown trout Salmo trutta fario would reflect alternative reproductive strategies in different environments. We...
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