Clownfish are known for their remarkable ability to change sex to survive. Turns out, one species, clown anemonefish (Amphiprion percula), popularized in the Pixar hit movie Finding Nemo, have yet another surprising survival trick up their fins: they can also shrink themselves to weather heat waves and dodge social squabbles. When things get hot and … Continue reading When heat waves hit, clownfish shrink to survive, study finds