Thornback Waterworm

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Thornback Waterworm
(Makilerpinarrain scavalous)
Main image of Thornback Waterworm
Species is extant.
Information
CreatorJvirus Other
Week/Generation26/161
HabitatColddigger Polar Coast, Elerd Temperate Coast
Size40 cm Long
Primary MobilityUnknown
SupportUnknown
DietScavenger
RespirationPassive (Transcutaneous)
ThermoregulationEctotherm
ReproductionSexual, 2 Sexes, Eggs Buried in Sand
Taxonomy
Domain
Kingdom
Subkingdom
Phylum
Class
Order
Family
Genus
Species
Eukaryota
Binucleozoa
Symbiovermes (info)
Pterigiophora (info)
Rostroichthyes
Palustrigyrinia
Cetacankistridae
Makilerpinarrain
Makilerpinarrain scavalous
Ancestor:Descendants:

The Thornback Waterworm replaced its ancestor in Colddigger Polar Coast. They have spread to Elerd Temperate Coast, became a little larger, and have become scavengers. Due to their scavenging lifestyle, the Thornback Waterworm evolved strong jaws to rip flesh from carcasses easily. Its skin has changed color to blend in with the golden sand in its environment. Its spines have hardened, becoming sharper and detachable, and its side spines have done the same. It also has evolved a more powerful tail, letting it move quickly along the seabed.

The Thornback Waterworm swims near the seabed searching for carcasses to scavenge. It is colored to look like the seabed so predators such as the slender scylarians and buoyskins do not spot it. If they do, the Thornback Waterworm's spikes defend it. All of its spines have the ability to break off if they lodge into a predator, they fully grow back in two weeks. These spines deter most predators from eating them, but some still try. When multiple Thornback Waterworms with different sexes meet at one carcass, they mate. Females will mate with the males with the largest spike on their top jaw. Females lack the top jaw spike. After birth, young Thornback Waterworms have the ability to dive into the sand and bury themselves to escape predators. Adults lose this ability, becoming too large.