See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Probiotics has become a buzzword among nutritionists and wellness gurus ...

Researchers are working to prove that coral-eating fish spread corals’ symbiotic algae in their feces. If they’re right, it could open new opportunities for helping struggling reefs cope. By Derek ...

Martin developed new methods for studying fish poop. She studied poop from 10 Norwegian fish species: whiting, pollack, Atlantic cod, shorthorn sculpin, mackerel, corkwing wrasse, ballan wrasse, rock ...

Until recently, fish that eat coral — corallivores — were thought to weaken reef structures, while fish that consume algae and detritus — grazers — were thought to keep reefs healthy. But scientists ...

Tickled by sunlight, life teems at the ocean surface. Yet the influence of any given microbe, plankton, or fish there extends far beyond this upper layer. In the form of dead organisms or poop, ...