A barnacle's penis is long enough to reach his mate 8 body lengths away without moving, often weaving it among others nearby.

Living fixed on one spot has it's disadvantages. It is more difficult to find a partner to mate.

The barnacle has overcome the problem in a really spectacular way.

From its shell the male barnacle projects a penis so huge it is many times the size of the owner.

The barnacle's organ finds its way through the gaps between its neighbors in search of the ideal mate.

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