Greenland deep-sea shark, the longest living vertebrate on the planet, can live for around 400 years

Amazing stuff!

"... But in April 2026, a group of researchers and volunteers stood on the cloudy shoreline of County Sligo, Ireland, and marvelled at the sight of a species that had never been stranded here before – a dead Greenland shark. 

Judging by its size – around 3m (10ft) long – the grey-beige animal lying on the tidal flats was over 150 years old. ... 

The Greenland shark, the longest living vertebrate on the planet, can live for around 400 years. ..."

"... The [recovered dead] shark is now undergoing detailed scientific postmortem examination, contributing valuable data to the understanding of this elusive deep-water species. Tissue samples and selected anatomical components are being preserved as part of the National Museum’s scientific collections, ensuring a permanent record of this exceptional specimen. ..."

'We were all just in awe': A stranding in Ireland sheds new light on the long, slow, ice-cold life of a deep-sea shark "Some Greenland sharks alive today may have been contemporaries of Shakespeare. With a scarred heart that beats for centuries and eyesight that doesn't fade, this deep-sea shark defies age-related decline."

Remains of a rare Greenland shark recovered (original news release) "The remains of a rare 3-metre-long Greenland shark (Somniosus microcephalus) has been successfully recovered from the shoreline in County Sligo, marking the first recorded stranding of this species on the Irish coast."

Source

Recovery of the remains of the dead shark