Those scientists’ findings are about tiny snails called sea butterflies. The findings illustrate how increased carbon dioxide in the Earth’s atmosphere can have knock-on effects on food chains. On people’s food supply.
The sea butterfly is a titchy little thing with a charming name. It’s also called a pteropod and it isn’t destined for our fish suppers. Not directly. But if there aren’t enough sea butterflies and other tiny creatures, there won’t be enough of the bigger fish for people to eat.
You might want to listen to this news report about the sea butterfly story.