The threespine stickleback, a small fish found throughout the coastal areas of the Northern Hemisphere, is famously variable in appearance from one location to another, making it an ideal subject for ...
The stickleback fish, Gasterosteus aculeatus, is one of the most thoroughly studied organisms in the wild, and has been a particularly useful model for understanding variation in physiology, behavior, ...
Stickleback specimens collected in the Big Sur River in 2017 are morphologically different from ones collected in the same location in 1974. (Photo courtesy of E. Palkovacs) Changes in stickleback ...