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.
Photographer: Jeff Chiu/AP Photo
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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