Macaroni penguins weigh 10 pounds and are a little over 2 feet tall. As predators, Macaroni penguins eat fish, squid, and krill, but they mostly eat krill as their food. Mothers and fathers of their chicks will feed their young by regurgitating the food into their mouth. Penguins get their food by diving into the ocean and chasing after their food. Penguins can survive up to 40 days without food. When penguins go hunting for their food, they swim from down in the water. Sometimes when they are hunting at night, they swim up to . But that is really rare. They usually swim for 2 minutes before coming up for air. Macaroni penguin chicks do not get any food until they are a week old.