Photo of Lampreys (IMAGE)
Caption
The invasive massive-mouthed sea lamprey (Petromyzon marinus), at the far right, is pictured with the four native Great Lakes lamprey species. From right to left: American brook lamprey (Lethenteron appendix), chestnut lamprey (Ichthyomyzon castaneus), silver lamprey (Ichthyomyzon unicuspis), and northern brook lamprey (Ichthyomyzon fossor). By profiling pheromone-related bile acids from these and other lamprey species from around the world, Buchinger et al. offers rare evidence that sexual selection drives evolution of pheromone production.
Credit
This photograph was taken by Andrea Miehls and is provided courtesy of the Great Lakes Fishery Commission/USGS.
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