Certain marine clams can live for more than 500 years.
Notes on verification
Confirmed by peer-reviewed genomics research and multiple independent reference/journalistic sources, all citing the ocean quahog 'Ming' clam aged at 507 years as the oldest known individual animal. [cascade flags: wikipedia_dropped_other_sources_exist | tier=silver indep_score=0.925 clusters=2 claim_tier=notable]
Sources
- Is There a Cure for Aging? (seed:health_and_medicine)
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11899663/ (corroboration)
- https://www.discoverwildlife.com/animal-facts/marine-animals/ocean-quahog (corroboration)