New research led by James Cook University shows huge differences in fish biomass and fish productivity between Caribbean and Indo-Pacific coral reefs, driven by the consumption of jelly-like gelatinous plankton. For their study published in the journal Nature Ecology & Evolution, the JCU-led team of Australian scientists analyzed 2.5 million plankton-eating fish observations, revealing fundamental differences in fish size, quantity, and growth between the two reef realms.