Bronzeback Fliptail

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Over time, some populations of Coastal Jello-Fish that swam in the coastal waters around Dingus simply didn't swim back inland to breed and stayed in the ocean full time. This would lead to them spreading out and adapting to a more pelagic lifestyle, as well as dodging predators like the Paintface Swark. Eventually these would give rise to the Bronzeback Fliptail, a highly active creature and the first species of Jello-Fish to fully return to living in the ocean. The taxon still retains a circulatory system of hemooranganin to help support their multicellular bodies with the circulatory system still surrounding the digestive system. Their skin has become thicker to better protect the Bronzeback Fliptail from attack since the skin will no longer tear as easily. Meanwhile, the Bronzeback Fliptail has evolved several adaptations for a pelagic lifestyle, including a more compact body and a much more muscular tail for higher acceleration. The dorsal fin and dorsal ridge have also become larger for stability while the pectoral fins stick out more to the sides to better aid in steering. With these adaptations, the Bronzeback Fliptail can use their speed and agility to travel long distances in the ocean as they feed upon swarms of plankton, which are quickly sucked up with their mouth and brought into the blind gut to be digested. With its much larger size, however, the Bronzeback Fliptail will also suck up relatively small fauna such as Wigglers, Soopierworms, or even the ancestral Jumping jello-fish since they are relatively small enough to be swallowed whole without much effort. Bronzeback Fliptails additionally take advantage of soft-bodies organisms such as certain Lithosemoeba species if they come across it (by grabbing them with their lips and twisting off chunks), with the jellofish vomiting out the waste produced from their meals in the form of a pellet. With such an active lifestyle, the Bronzeback Fliptail relies very little on radiation and thus hardly uses it at all, the species has even lost the ability to 'zap' prey since they can simply chase it down.

Since the species often gathers together to feed on swarms of plankton anyway, the Bronzeback Fliptail has become much more social than most other jellofish. The species often travels in decently sized schools as they swim about in the open ocean, allowing them to watch out for potential threats such as a desperate Paintface Swark or, more importantly, a Walrad. Since a lot of their circulatory system is concentrated at the back, the Bronzeback Fliptail has developed a simple notochord that encases most of this to protect it from damage in case they get attacked. The notochord also provides the Bronzeback Fliptail an anchor for more muscle attachments to aid in their locomotion.

When it comes to breeding, the Bronzeback Fliptail has not changed much from their ancestor, as they release "gametes" into the water. When they encounter those of another individual, the two "gametes" then fuse together and then split into two developing jellofish. The species no longer returns to the watersheds of Dingus, but they sometimes go into coastal areas near continents to breed though at other times they breed in open waters.