WEB EXTRA: Walking Sharks Discovered
WEB EXTRA: Walking Sharks Discovered

A new species of shark likes to stroll along the bottom of the ocean floor on four fins, according to a report released on Monday.

Four new species were discovered and are thought to be the most recently evolved sharks known to scientists.

The sharks are about three feet long and were discovered north of Australia.

There are nine species of walking sharks known to date, according to researchers.