He turned their waters into blood, and he slaughtered their fish
Other versions
King James Version
Thou hidest thy face, they are troubled: thou takest away their breath, they die, and return to their dust.English Standard Version
When you hide your face, they are dismayed; when you take away their breath, they die and return to their dust.New International Version
When you hide your face, they are terrified; when you take away their breath, they die and return to the dust.