San Francisco January 26, 2022 12:04 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 3:39 Watch: East Bay congressman discusses aviation safety bill 1:15 Watch: Breast cancer survivor discusses genetic testing as part of treatment 0:54 Child care center in South SF helps develop early childhood educators 2:06 Kari's forecast: Slight warming 1:53 Bay Area Iranian-American community reacts to Iran president's death