The DNA of an ancient fish at the Steinhart Aquarium in San Francisco has been tested.

It is stated that the DNA of a fish named Methuselah has been tested as follows.

Accordingly, it has been revealed that the fish is the world's oldest fish living in a cave.

At Steinhart Aquarium in San Francisco, a new DNA analysis suggests Methuselah, an Australian lungfish, could be the oldest fish in an aquarium anywhere in the world. pic.twitter.com/kKy0aQQyP5

— CNN (@CNN) September 27, 2023