SIX FOOT LONG EEL LIKE FRILL SHARK CALLED "A LIVING FOSSIL"

NATIONAL GEOGRAPHIC - SHARK THAT INSPIRED SEA MONSTER MYTHS

EXCERPT:
With its gaping, tooth-filled mouth and its slender, eel-like body, it’s not hard to see why scientists think the frilled shark may have inspired ancient tales of sea monsters. Looking like something out of a nightmare, the deep-sea creature is rarely seen. But fishers in Australia pulled one up this week.

The frilled shark is often called a “living fossil” because it is thought to have changed little in about 80 million years. The fish also bears a resemblance to ancestor species that lived during the time of the dinosaurs...

 

Siren here!  There's more to read at the National Geographic Link