As aquatic oxygen levels decrease with the changing climate, marine and lakewater species face a challenging task of adapting to hypoxic environments – or risk perishing. To examine potential for adaptation, researchers investigated two populations of threespine stickleback: one from a lake that naturally experiences seasonal long-term hypoxia and the other one that does not. […]
Tag: threespine stickleback

Rapid adaptive evolution of colour vision in threespine stickleback
Colour vision can evolve to be better adapted to a particular environment in as little as 12,000 years. Authors of a new study out of UBC found that different populations of the threespine stickleback, a small fish that is able to live in fresh- or saltwater, have evolved to see different colours better depending on […]