Prawns

The North Sea shrimp is red in color and grows up to 12 cm when it is male, after the sex change the female can grow up to 17 cm long. It lives on soft mud and clay bottoms from 20 to 1,300 meters deep.

The North Sea shrimp is common just above muddy bottoms, mostly at depths of 100–500 meters and feeds on plant and animal remains, small animals and more, from the bottom surface layer and which it mainly catches at night. It begins its life as a male, then it changes sex and at the age of 2 to 4 becomes a female.

The shrimp play during the autumn. After mating, the female carries the 1,000 to 3,000 eggs under the belly until they hatch in the spring. The newly hatched larvae live like plankton for the first time.
The North Sea shrimp is found from the coast of Greenland, south from Alaska and Canada to Massachusetts and east via Svalbard and Iceland to the North Sea and further via the Barents Sea and along the Siberian coast to the waters around Japan and Oregon.

The North Sea shrimp is subject to significant fishing throughout the North Atlantic, especially in the waters around Iceland and on the Norwegian coast, but catches also take place on the North American east and west coasts, in the North Sea and in the Kattegat and Skagerack. annually to over 200,000 tonnes.
And

The North Sea shrimp is the shrimp species that is most common in Swedish trade. 

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