Speedy Selection

The DpSU for last Tuesday was called Researchers See Fish Adapt in One Generation.

The source is a paper – you can see the full text here – that details an experiment investigating the speed at which fish adapted to breeding in hatcheries. They found that the fish managed to do so in a single generation, but that this came at a cost to their survivability in the wild. Mr Thomas, author of the DpSU, expresses his incredulity at this being the result of natural selection, as was credited.

Male freshwater phase Steelhead (Rainbow Trout) Continue reading