‘No guts, no glory’ survival tactic for predatory fish

Salmon and other fish predators have more than three times the gut capacity they need on a daily basis.

The extra space allows them to gorge themselves when prey is abundant, allowing them to survive despite periods of famine

“The predatory fish we examined have the guts to consume two to three times the amount of food that they regularly encounter. This much excess capacity suggests predator-prey encounters are far patchier,” University of Washington professor of aquatic and fishery sciences Daniel Schindler said.

Read more at University of Washington