Such creatures can live both under the water and on the land.
On the whole, small creatures don't live for a long time.
But the creatures live on earth, too, and there has to be room for everyone.
The creatures have been living in secret, just outside our developed world.
Without that protection, some creatures would probably not live a long life.
It will be years before any plant or creature could live there.
What certainty had he that a single human creature now living was on his side?
These creatures lived in the seas from at least 400 to 65 million years ago.
Indeed there was, perhaps the most terrifying creature now living on earth.
The creature will live to fight another day, even if those days are numbered.