Feces from coral-eating fish may act as 'probiotics' for reefs

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 have discovered that feces ...

Study finds fish assess misinformation to avoid overreaction

Fish can adjust their sensitivity to the actions of others—such as fleeing due to a false alarm—to reduce the risk of responding to misinformation, according to a new study. Other animals, including humans, may also have ...

Coral bleaching causing 'unnecessary' fish fights

Fish that have lost food due to mass coral bleaching are getting into more unnecessary fights, causing them to expend precious energy and potentially threatening their survival, new research said Wednesday.

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