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Sperm whales are so named because of a waxy substance known as spermaceti found in their heads. This substance was used in oil lamps, lubricants, and candles in olden days leading to these whales being the primary target of the whaling industry

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Fun Fact: Sperm whales are so named because of a waxy substance known as spermaceti found in their heads. This substance was used in oil lamps, lubricants, and candles in olden days leading to these whales being the primary target of the whaling industry

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fisheries.noaa.gov

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