The Narwhal (Monodon monoceros) is an Arctic species of cetacean. It is a creature rarely found south of latitude 70°N. It is one of two species of white whale in the Monodontidae family (the other is the beluga whale). It is possibly also related to the Irrawaddy dolphin.

The English name narwhal is derived from the Dutch name narwal which in
turn comes from the Danish narhval which is based on the Old Norse word
nar, meaning "corpse." This is a reference to the animal's colour. The narwhal is also commonly known as the Moon Whale.

In some parts of the world, the Narwhal is colloquially referred to as a "reamfish

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