What specific behavior is the male lumpfish solely responsible for during incubation?

Answer

Guarding, fanning, and aerating the eggs for the entire period.

The male undertakes all parental care, remaining stationary at the nest site for one to two months to guard, fan, and aerate the eggs, often going without food.

What specific behavior is the male lumpfish solely responsible for during incubation?
animalfishcharacteristicLumpfish