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").
Billboard Latin Music Award for Hot Latin Song of the Year only acts with two nominated songs in the same year, a milestone achieved twice by Santos. As of 2017, only Iglesias and Nicky Jam have won Hot Latin Song of the Year twice in a row. As of 2018, the holders are Luis Fonsi, Daddy Yankee, and Justin Bieber for the song "Despacito". Billboard Latin Music Award for Hot Latin Song of the Year The "Billboard" Latin Music Award for Hot Latin Song of the Year (formerly Hot Latin Track of the Year) is an honor presented annually at the "Billboard" Latin Music Awards, a ceremony which honors "the most