Fish in schools have an easier time swimming in rough waters (IMAGE)
Caption
A school of pink salmon (Oncorhynchus gorbuscha) in upper Nimpkish River, British Columbia, Canada.
Credit
Fernando Lessa (CC-BY 4.0, https://creativecommons.org/licenses/by/4.0/)
Usage Restrictions
Credit must be given to the creator.
License
CC BY