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? the 1986 mini-album "Quirk Out". The background music sample comes from the album version of the song Paradoxx from the German band 666. In May 2016, in response to increased popularity from a mention on "The Tonight Show Starring Jimmy Fallon", Scooter answered the question about "How much is the fish?" on their Facebook page, revealing that "the fish" was actually the one they bought for their studio aquarium, and it cost 3.80 (probably DEM). 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