The blue whale is the largest animal known to have ever existed, with an average length of about 80 to 90 feet (24 to 27 meters) for most individuals. However, they can grow even larger, with the maximum confirmed length reaching up to 98 feet (29.9 meters) and some records indicating lengths as long as 110 feet (33.5 meters) or even 108 feet (33 meters) in exceptional cases
. Different subspecies vary slightly in size:
- Eastern North Pacific females average around 22 meters (72 feet)
- Central and Western North Pacific females about 24 meters (79 feet)
- Antarctic blue whales range from 25.4 to 26.3 meters (83 to 86 feet)
- Pygmy blue whales are smaller, around 21.3 meters (70 feet)
In summary, blue whales typically range from about 80 to 90 feet long, with the largest individuals reaching up to approximately 110 feet (33.5 meters) in length
