Facts about Sperm Whales
- 07
In 1820, the whaling ship Essex was rammed and sunk by a sperm whale off the coast of South America, an event that inspired Herman Melville's novel Moby Dick.
- 06
A male sperm whale can reach lengths of 52 feet and weigh up to 45 tons, making them the largest toothed whales in existence.
- 05
Massive sperm whale teeth can weigh up to 2.5 pounds each, with only the lower jaw containing functional teeth while the upper jaw remains toothless.
- 04
Sperm whale populations declined by approximately 90 percent during the 19th-century whaling era, reducing their numbers from around 1.1 million to roughly 100,000 individuals.
- 03
Sperm whales produce clicking sounds at frequencies up to 230 decibels underwater, the loudest calls of any animal.
- 02
The sperm whale's brain weighs approximately 20 pounds, making it the largest brain of any animal on Earth.
- 01
Diving to depths exceeding 7,000 feet, sperm whales can hold their breath for over 90 minutes while hunting giant squid.