Garbage Worm
these genetically manufactured creatures were vital to the elimination of waste on Coruscant. It was known that they were based on a number of species of long worms from various other planets, but had been greatly altered by Coruscant's engineers over a period of several hundred years. They lived deep within the garbage pits of the city-planet, wallowing in silicone-filled pools. As waste from the city was dumped into the pits, it was pulverized and mixed into the silicone slurry. The worms then ate anything that they could. They converted much of the waste into small pellets which could be used as fuels or stored. The rest was digested and eliminated as methane, carbon dioxide, and organic wastes. Anything they couldn't eat - heavy metals, primarily - were expelled and sank to the bottom of the garbage pits, where they were collected and sorted by garbage droids. These worms were covered with shiny, iridescent scales of a milky white color. Rumor had it that a garbage worm could eat an entire hyperdrive core and survive ... for a few seconds. The largest worms grew to lengths well over 100 meters, and were nearly four meters in diameter.