While the species is over 100 million years old, they are listed as Endangered on the IUCN Red List. ... How scientists determined the age of the oldest living aquarium fish.

Methuselah, the oldest fish living in an aquarium, was transported to California in 1938. Gayle Laird. In November 1938, an Australian lungfish named Methuselah arrived at San Francisco’s ...

Methuselah succeeded another fish named Granddad, who died aged around 95 in 2017, as the oldest of the species. She is named after the biblical figure that is said to have died at the age of 969 ...

In recent years, thanks to more advanced aging techniques, scientists have discovered many species of fish live longer than originally thought—the Greenland shark, for instance, can live past ...

Eleven samples were identified as the European eel, despite the EU's earlier move to ban its export. Read more at ...

How endangered species are protected. The U.S. Fish and Wildlife Service and the National Marine Fisheries Service are the two government agencies primarily responsible for implementing the ESA ...