>>50101663Silvally is a simulacrum (an imitation of a being or thing, in this case an attempt perhaps to replicate Arceus)
Although it would be curious if by chance there was a natural species that shared these characteristics, examples in real life exist where a fictional creature is created and years later a similar specimen is discovered, such as the beetle from Bug's life or Scrat the Saber-toothed squirrel. "Dim Effect"