Murktals The algae on drusis is a dark, murky teal color which is iconic for how it colors the lakes and swamps of Drusis. They are autotrophic and its presence often is an indicator of a drusis ecology. While they are not useful for humans, cultivating the drusis gunk is still valued due to [[the ribbons|The Ribbons]] being a popular pet and export due to the vast range of hypnotic patterns they represent.