Fish Arthritis Discovered

Scientists have discovered that bony fish have one more thing in common with humans than previously thought: they can get arthritis too. It was commonly assumed that Read More…

The Parallel Evolution Puzzle

Steelhead in the Pacific Northwest show diversity in their run timing, or the timing of when the fish migrate from saltwater to freshwater. Populations of summer-run and Read More…

Adipose fin origins

The adipose fin has been both underrated and, it now seems, misunderstood. Its appearance hasn’t helped matters much, as it often consists of just a fleshy nub Read More…

Evolution happens

Not only are threespined sticklebacks (Gasterosteus aculeatus) able to tolerate a wide range of salinities, as featured in Mr. Adaptable, but they are also able to adapt Read More…