which they use to "fly" up and down through the water. While sea butterflies graze using a mucus web to catch microscopic plankton, sea angels are carnivorous and prey exclusively on the sea ...

The world’s oceans absorb more than a quarter of man-made carbon dioxide emissions, which lower the sea water pH ... effects of acidification on the sea butterflies from samples taken around ...

They are ‘pelagic’ or open water species, whose angel like wings ... The mass appearance of sea butterflies, their primary food source, and the sea angels’ active hunting phase only occur ...