We use electrified barriers to prevent Asian carp spread in the Great Lakes region [0]. I'm not sure of the practicality of something similar in a saltwater can

We use electrified barriers to prevent Asian carp spread in the Great Lakes region [0]. I'm not sure of the practicality of something similar in a saltwater canal. [0] https://www.theguardian.com/world/2017/jun/24/asian-carp-great-lakes-michigan-illinois https://www.theguardian.com/world/2017/jun/24/asian-carp-gre...