The Soopywoorm was, for a while, one of the more obscure pelagic fauna of 2s2tworld - gorging on plankton unaware of the affairs of larger, more “established” fauna; that appeared to remain true until couple of peculiar stocks similarly pushed to the sidelines underwent a massive surge in diversity. Most notable of those lineages is that these are both capable of considerable radioactive emissions, and at the scales they have been attaining as they evolved, the effects of these emissions have reverberated considerably throughout the biosphere. Very few other existing lineages were properly adapted for such an upheaval, but surprisingly enough, the humble Soopyworm fared better than most thanks to its inherent immunity to radiation. In the wake of these new, radical pressures, the Soopyworm proliferated - becoming the Soopierworms. Although Soopierworms outwardly resemble the old Soopyworm, a number of key differences have taken place since their evolution. Further specialization of cells and tissues have taken place to support such energy-demanding organisms, such as a network of vessels and canals ferrying hemocoel - distributing gasses and nutrients throughout the entire body. To better enhance coordination, a brain has evolved to recieve sensory signals and relay information to the rest of the organism to react to this input. Speaking of senses, the ancestral photoreceptors have developed into a more cohesive ring of eight eyes, able to perceive light contrast and blurry shapes; setae lining a Soopierworm’s form serve to detect a variety of chemical and vibratory information. Simple cartilage supports in its hydroskeleton serve crucially as muscle attachment points, enhancing the displacement of water while locomoting. Although Soopierworms outwardly resemble the old Soopyworm, a number of key differences have taken place since their evolution. Further specialization of cells and tissues have taken place to support such energy-demanding organisms, such as a network of vessels and canals ferrying hemocoel - distributing gasses and nutrients throughout the entire body. To better enhance coordination, a brain has evolved to recieve sensory signals and relay information to the rest of the organism to react to this input. Speaking of senses, the ancestral photoreceptors have developed into a more cohesive ring of eight eyes, able to perceive light contrast and blurry shapes; setae lining a Soopierworm’s form serve to detect a variety of chemical and vibratory information. Simple cartilage supports in its hydroskeleton serve crucially as muscle attachment points, enhancing the displacement of water while locomoting.

All of these adaptations require considerable energy, and thus the digestive tracts of Soopierworms have altered to meet these demands. Once a meal has been seized and processed by a Soopierworm’s oral array, it is promptly sent into the stomach where it is swiftly broken down by a combination of potent digestive enzymes and a pinch of spite. The remaining slurry is diffused into the hemocoel via the intestines, and whatever isn't digested is expelled via an anus somewhat behind the gonads. A crude, muscular pharynx closes up after a meal to prevent undigested foodstuffs from spilling out. Soopierworms are still quite similar to their roots in many basic regards also. Species of these fauna, although composed of countless thousands of cells, these cells are still derived from three ancestral soopy cell lines (bruh, asshole, and poopy), and each line corresponds to the formation of specific tissues. Visual, nervous, and digestive tissues are all derived from the bruh line; in the case of the latter two tissues, this has the consequence of providing both immunity to spite, and the ability to produce spite in varying quantities. Asshole-line cells would end up developing into muscular, skeletal, and connective tissues - all three of which provide the Soopierworms their structure. Epithelial tissue such as with circulatory networks and the epidermis, and sensory setae are formed from poopy-line cells.

Soopierworms swim in an undulating fashion whilst using their lateraldorsal setae to displace water; rigid caudal setae serve similarly as stabilizers. The ancestral resistance to radiation is crucial in a biosphere dominated by radioactive biota, and thus all species of Soopierworm retain it well. Species living among greater densities of radioactive biota tend to be more resistant to such emissions.

The Soopierworms’ gonads are located close behind the caudal cirri. When a congregation of Soopierworms of a species convenes to mate, gametes are expelled into the water where they are fertilized and develop into eggs containing larval Soopierworms. The larvae hatch into forms identical to the ancestral Soopyworm, but with slightly fewer cells and only at a mere 1 millimeter in length. At this size, they are easy prey to many species of bruh, death noodle, and radiosorbus; fortunately the sheer quantity of eggs deposited - many thousands in a batch - is enough to make up for this early mortality rate.

It is thanks to this combination of traits that the Soopierworms have not only proliferated, but also drove the ancestral Soopywoorm to extinction.