Fish can be a lively and entertaining addition to your natural swimming pool, and certain species can bring numerous benefits to the aquatic ecosystem.

A new study of giant danios (not pictured) suggests schools of fish save 79 percent more energy in turbulent conditions than fish swimming individually. Gordon Firestein via Wikimedia Commons under CC ...

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Swimming through turbulent water is easier for schooling fish compared to solitary swimmers, according to a new study. Swimming through turbulent water is easier for schooling fish compared to ...

Fish from the same species can evolve their sense of smell and display individual foraging 'personalities' to successfully find food in different habitats. Fish from the same species can evolve their ...