Sneak male mating tactics between lampreys (Petromyzontiformes) exhibiting alternative life‐history strategies

Abstract

Interspecific sneak male mating tactics between paired lamprey species are described for the first time. Although alternative mating tactics among petromyzontids have been described previously, including intraspecific sneak males, the presence of sneak male tactics between parasitic and non‐parasitic forms suggests that high levels of gene flow between putative lamprey species could remain high, despite large body size discrepancies.

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