These mollusks are of low-tier.
They have a certain level of intelligence, but cannot give any clear answers when questioned.Some think that yukkuris are just oversized amoeba, and the simplicity make them easy to multiply, thus being able to survive in this world.One fact of yukkuri that is worth mentioning is that pastes in their body function as both memory organ and digestive organ.
It has been pointed out by a lot of scientists that primitive creatures like amoeba have similar structures.Yukkuris can harden excess pastes and pastes that contain uneasy memories, and get rid of them.The pastes in their bodies are in constant cycle to maintain immunity, preventing bacteria and such from infecting and multiplying.Paste core
Equivalent to the central brain
Controls thinking, emotion, and life function managementTheir tones and voices are similar to those of humans and animals, but their meanings are not understood.Their pastes are both digestive organ and memory nerve.
Structure details remain unknown.Amoeba