This guardian fish does not let anyone close to its eggs and even beats off human hands from its offspring.

Pavel Lisits, a biologist from Nizhny Novgorod, Russia, was filming Chinese sleeper fish in a pond when he noticed a father protecting his eggs.

These people protect and ventilate the eggs and make sure they are not damaged by human hands.

Paul wanted to see if he was protecting the fish, and as his finger slowly approached the calf, the fish ran forward, biting his finger and wrestling with it.