Xenosharks
They are big aquatic predators, 5-25 feet long. The x-ray receptor has shrunken, instead mainly seeing through an x-ray receptor on the bottom of its beak.

Xenosharks
They are big aquatic predators, 5-25 feet long. The x-ray receptor has shrunken, instead mainly seeing through an x-ray receptor on the bottom of its beak.
