Macrourus berglax shrimps, amphipods, polychaete worms, bivalve molluscs, isopods, brittle stars, other echinoderms and comb jellies. The roughhead grenadier is a slow growing fish. The females mature at an age of about 14 years and a length of while males reach maturity at a length of . The potential fecundity of the female is 17,000 to 56,000 eggs. The eggs are laid in batches and spawning takes place at any time of year, with a peak in late winter and early spring. The roughhead grenadier is landed as a by-catch when fishing for Greenland halibut ("Reinhardtius hippoglossoides") and Atlantic halibut ("Hippoglossus hippoglossus").
How Much Is the Fish? How Much Is the Fish? "How Much Is The Fish?" is a hard-dance song by German group Scooter. It was released in June 1998 as the lead single from their fifth studio album "No Time to Chill". It is the first song to feature Axel Coon. "How Much Is The Fish?" samples the song "Zeven Dagen Lang" (Seven days long) by the Dutch band Bots. The melody originates from the traditional Breton song "Son ar Chistr" played on Alan Stivell's 1970 album "Reflets". The title is derived from lyrics in the song "Buffalo" by Anglo-Irish indie group Stump, taken from