From Madeira and north to Iceland and northern Norway. Found in the Mediterranean and Black Sea.
Food:
Crustaceans and mantis shrimps.
Facts about Knurr
The growler gets its name from the growling sound it makes when it comes out of the water. The sound is created by vibrations in the swim bladder. Knurr can walk on the bottom with the free fin rays in its pectoral fins.
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