San Francisco January 26, 2022 3:04 pm Meet Methuselah, The Oldest Living Aquarium Fish Methuselah is a four-foot-long Australian lungfish, weighing around 40 pounds. The primitive species have lungs and gills and are believed to be the evolutionary link between fish and amphibians. US & World Videos 2:19 11-year-old celebrates teachers with appreciation snack cart 1:19 Met Gala 2024 after party looks: Cardi B, Lana Del Rey, EmRata 6:22 Craig Melvin compares ‘TODAY' crew to NASCAR 1:02 Judge indefinitely delays Trump's classified documents criminal trial 9:25 Zayn Malik opens up about 6-year journey to new album