VIDEO: Shocking fish for science

In early December, the Kings River Conservation District did its annual fish population survey of the Kings River in California’s San Joaquin Valley. The survey is meant to assess the health of the river and the fish populations. Scientists and volunteers captured fish in the river through a unique and the fish populations. Scientists and volunteers captured fish in the river through a unique method: electric shocks.

Don’t worry, the fish are completely unharmed. The shocks stun the fish, allowing for easy netting and measuring before they’re released back into the river. Check it out!