The animals that make up Minecraft have the ability to be tamed and bred, but each animal has their own requirements.

Marine biologist Ayana Elizabeth Johnson is obsessed with one research subject — the parrot fish. She says there is urgent work to be done to save them and their home, the coral reefs.

The endangered orange-bellied parrot has lost 62 per cent of its genetic diversity and can only be saved by breeding with another species or editing its genes, a study suggests.