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. With the future of the world's coral reefs threatened by climate change, a team of researchers studied how a mass bleaching event affected 38 species of butterflyfish.

Coral bleaching causing 'unnecessary' fish fights. (2023, January 16). Daily Guardian, pp. 10, 11.