"He has never hurt a fish, but a few times in the past he's 'nipped' towards them as if he wanted to 'herd' them."
Researchers discovered high levels of so-called "forever chemicals" in fish caught in lakes and rivers.
Invasive rats have decimated small seabird populations.
There are potential implications for treating Alzheimer's.
The project is expected to take two years and once complete.
The discovery could lead to the development of artificial vision systems and sophisticated bio-inspired robots.
There are huge economic benefits to the zones too.
He managed to create a heart, fish, dog, cat and mouse and his hardest cycle was a dragon.
"They’re Atlantic salmon returning to the river where they were born to spawn."
Research shows that essential nutrients in fish actually protect against the effects of mercury.