Blue whale

Key facts

• Blue whale lives in Pacific Ocean, Atlantic Ocean, Indian Ocean, and Southern Ocean.
• Group: Sea animals.
• It weighs about 150,000 kg (331,000 lb).
• A typical adult is about 25 m (82 ft) long.
• It lives about 80 years.
• Diet: planktivore.
• Habitat: ocean.
• A blue whale is the biggest animal known to have ever lived, bigger than any dinosaur we have found.