Reinforcement influences the ability of cryptic female choice to exert conspecific sperm precedence in hybridizing Atlantic salmon (Salmo salar) and brown trout (Salmo trutta)
Connor P. Hanley, Ranjan Wagle, Sarah J. Lehnert, Craig F. Purchase
The paper examines how reinforcement affects conspecific sperm precedence in Atlantic salmon and brown trout, finding that Atlantic salmon lose this ability while brown trout retain it, influenced by female reproductive fluid.
bioRxiv · May 12, 2026 · PreprintEvolutionary Biology