The name berserker derives from the Old Norse berserkr (plural berserkir). This expression most likely arose from their reputed habit of wearing a kind of shirt or coat (serkr) made from the pelt of a bear (ber-) during battle.
Fishing. ROCKLING The Rockling can be found close to shore around rocks pools sand bars etc. this fish provides little sport and is generely a fish that sea match anglers will target when other sport is poor.
In English it is known as Red Rockfish, and as the name implies, its entire body has a beautiful bright red skin. They live in the deep sea of southern coasts of Japan, ranging from 500 to 1000 meters (1700 to 3300 feet) and this is the reason why their eyes are so extruded; because of the water pressure.