Like in Humans, Naucean too have genetic disorders. Like humans can have tails or webbed hands Nauceans have genetic disorders based on their evolutionary history. Before their aquatic stage they use to have 4 limbs like most other creatures on Nauceanica, but over time they got smaller and disappeared, but some times Nauceans are born with them or even without tail flukes from their land ancestors. In the same way they may have visable fingers and toes on their floots like their land ancestors had. On the head they can have nostrils on the tip of the nose like their land ancestors or even no pseudo-mandible, no hands on the oral tentacles or even none at all like their long ago fish ancestors were. There is a multitude of these disorders as well as many other disorders, just like humans have. Everything from conjoined twins, gigantism, dwarfism, albinoism, deafness, blindness, mute, born without limbs, etc. They are biological creatures and are susceptible to these diseases. Durring the Biotech age many of these were cured or avoided with genetic manipulation before babies were born. This was a good thing because fanatical religions like worshipers of Au would believe these people were demons and would kill them even if they were born into the Desert tribe. The other tribes were much more tolerant and sympathetic to these Nauceans with disabilities.
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