Brosme Brosme, also known as the tusk or cusk, is the common name for a deep-sea fish found in the North Atlantic. In terms of synonyms, there are several alternative names for this species, depending on where you are in the world. For instance, in Norway, it is referred to as "brosme," while in Iceland, it is known as "brosma." Other synonyms for Brosme Brosme include "brisme," "torsk," and "lake." While the primary focus of this fish is for culinary purposes, it has also been used in traditional medicine to treat a variety of ailments, including arthritis and rheumatism. Regardless of its name, Brosme Brosme remains a popular and sought-after delicacy around the world.