This is the astonishing moment an inflatable Nemo fish seemingly came to life - opening a door by itself and escaping. CCTV footage shows the helium-filled clownfish balloon hovering in the air ...

The results: Over the course of those months, 101 of the 134 clownfish shrank at least once in response to heat stress, and doing so boosted their likelihood of survival up to 78 percent compared ...