Like true beauty, suitability for life may come from within.
They have a “third eye”, can walk on water, and swim like a pro.
When dealing with a murderous newcomer, evolution rewards a little deception on behalf of your child.
There’s video, but you might not want to look at it.

Over a dozen of these blue outbursts are known, but their source has been uncertain.
Perhaps we’re wrong about the date of the catastrophe.