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Meet Methuselah, the World’s Oldest Living Aquarium Fish

A biologist holds Methuselah, a 4-foot-long, 40-pound Australian lungfish in its tank in San Francisco on Jan. 24.

A biologist holds Methuselah, a 4-foot-long, 40-pound Australian lungfish in its tank in San Francisco on Jan. 24.

Photographer: Jeff Chiu/AP Photo

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San Francisco (AP) -- Meet Methuselah, the fish that likes to eat fresh figs, get belly rubs and is believed to be the oldest living aquarium fish in the world.

In the Bible, Methuselah was Noah’s grandfather and was said to have lived to be 969 years old. Methuselah the fish is not quite that ancient, but biologists at the California Academy of Sciences believe it is about 90 years old, with no known living peers.