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The tusk is actually a molar tooth that grows through the animals head. The males will have a longer tusk than females. It is to tell the difference between male and female, and used on occasion for self-defense.

There are many theories for the tusk purpose. Thus far, none have been widely accepted by experts. The tusk is present in both males and females, is longer in the male and is considered to be a secondary male sex trait.

It is also thought to be used for the feeding of their babies.They spear a fish and feed the babies.

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9y ago

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