Glaucus Drakes were released on April 6, 2014, alongside the Howler Drakes. Their release was the first where announced that he's going to try out a midday release instead of the "normal" midnight release. Just like other , they can only breed with their own kind, and their eggs cannot be bitten by Vampire Dragons. Together with the Howler Drake, they were the first drakes to receive dimorphism.