The Australian Aquarium reveals why Pesto, the viral penguin, is so big

Although Pesto is only nine months old, he weighs 23 kg, more than his parents' combined weight.

Video transcript

That's why the viral penguin named Pesto is so big.

Even though Pesto is only nine months old, he weighs 23 kilograms more than his parents' combined weight. The baby king penguin has gone viral at Sea Life Melbourne for its impressive size, claiming Pesto is the largest chick the aquarium has ever seen, the aquarium says Pesto's weight is due to a number of factors, according to their website Pesto.

His biological father is their largest and oldest penguin, and Pesto has amazing parents who raised him.

The aquarium said.

A combination of good genes and good parents explains his current weight, but he will lose much of it as he develops his adult feathers.

According to SBS, Pesto eats between 25 and 32 fish per day.

But his carer said they had no concerns about his life expectancy.

With his size