Greenland sharks retain functional vision despite extreme longevity
via news.mongabay.com
Short excerpt below. Read at the original source.
Greenland sharks are the longest-living vertebrate known to science, topping out at more than 400 years old, and scientists have largely believed they were nearly blind. But new research suggests they actually can see, and, remarkably, maintain their vision for more than a century. Greenland sharks (Somniosus microcephalus) mostly live in the cold waters of […]