Scientists identify new shark species in the Atlantic Ocean
Sixgill sharks are among the oldest creatures on Earth, with ancestors dating back to over 250 million years, well before dinosaurs.
Feb 26, 2018, 10:20 AM IST
Atlantic sixgill sharks
Sixgill sharks are among the oldest creatures on Earth, with ancestors dating back to over 250 million years, well before dinosaurs.
Feb 26, 2018, 10:20 AM IST