Currently, the marbled lungfish that was introduced is the major fishery, representing more than 75 per cent of the total fish landings, with Baringo tilapia landing being just one per cent.

Until a few years ago, the oldest Australian lungfish was at the Shedd Aquarium in Chicago. But that fish, named Granddad, died in 2017 at the age of 95. “By default, Methuselah is the oldest ...