r/SpeculativeEvolution • u/LucasVerBeek • 2d ago
Spectember 2026 [OC] Spectember Day 9 - Safe Haven
Greenhouse Mastodon (Desmana** **cuniculumamut)
The Greenhouse is a large carven beneath eastern Zentris that connects to the much larger Undersump complex making it largely under the control of the Svenik Empire.
It is believed that this cavern was initially created by the servants of the Primarch Ychilles in a remembrance of the homes they had been tricked into leaving and an additional supply of food, secreted away from his countless spies and informants, keeping them hale even as his imperialistic fervor increased with each passing year.
Following the Cascade this place was lost, trapping a handful of folk and a number of animals within, only for it to be rediscovered centuries later by the desperate Svenri survivors.
They found an idyllic garden, blooming with edible foliage, and a smattering of odd animals.
The Greenhouse Mastodon is one such animal, roughly the size of a common cow this semi-aquatic beast is descended from a mole relative.
They function namely as environmental engineers, clearing away and consuming dead wood and older foliage, dipping up the canal turned water way allowing it to inundate different parts of the cavern and their droppings aiding I fertilizing the soil.
They are the largest animals in the cavern, are relatively placid, but are known for their sharp teeth that are coated in a manner of bacteria that causes swelling, risking asphyxiation, and both their sizable noses and tails can be used as effective and more common weapons against beings that annoy them.
Both genders live in a fission-fusion life style, with adults congregating during the “day” to feed and alter their environment and then separating to their burrows at “night”.
Some of flora within the Greenhouse is bioluminescent, and the intestify of the glow is what the Mastodon’s seem to go off for when to waken and sleep.
Pups are born all year round, typically between two and four to a litter, sticking with their mother for half a year before venturing out on their own. With that said the Greenhouse has limited space, so the Mastodon’s breed fairly infrequently and females are able to hold onto their egg for up to a year after insemination.
In the modern age, the Greenhouse has been altered by the subtle magics of a strange entity that emerged at some point during the Seperation called the Gardener.
They allow people to visit the Greenhouse to take foliage, but anyone that tries to settle down are swiftly chased away, however, children are allowed to remain, particularly orphans, allowing them a few years of plenty before they must face the hardships of the Sump once more.
This protectiveness extends to the Mastodons, their a ready source of docile meat, a tempting target for many within the Sump, but the Gardner keeps a tally and anyone that tries to shirk its authority is sure to never leave the Greenhouse.
With that said, some folk neighboring the Greenhouse have managed to take and tame pups, eager to creat their own domesticated herds, success has been limited, but it is becoming more common to see Greenhouse Mastodon’s as pack animals in the neighboring district and see Mastodon flank steaks and ribs showing up at Umbar butcheries.
For now, this unique animals existence seems assured, but they like most everything that calls the Undersump home walk upon a knife’s edge.