SF has world’s oldest aquarium fish. Here’s how scientists found out her age—accurately

Ever wonder where is the world’s oldest living fish being housed in an aquarium? It happens to be in San Francisco, according to the California Academy of Sciences (Cal Academy).

Methuselah, an Australian lungfish (Neoceratodus forsteri) at Cal Academy’s Steinhart Aquarium, is 92 years old, according to a DNA analysis by Dr. Ben Mayne of the Commonwealth Scientific and Industrial Research Organisation and Dr. David Roberts of Seqwater.