More about mermaid

[Rafal]

They do not have thighs. Medieval mermaids never have thighs. The VMs illustration has thighs. The VMs illustration cannot be a mermaid.

I absolutely agree. VM illustration is not a mermaid. It is a woman swallowed by a fish. The fish has mouth and even eyes:


Which makes Melusine also not a good match. That's how Harley 334 looks like. No legs, no eyes, no crack in the middle
   

My belief is that Voynich artist used a picture from Buch der Natur as a referrence but changed it. The original picture had a mermaid but he changed her into a woman being swallowed by a fish. But he kept some of other monsters which strangely match Lauber imagery.

I am not sure what he wanted to achieve although I have some vague theory which may get more refined at some moment.

Also like many people I believe that he was using various inspiratons but transforming them. For example he took a normal bridge from Taccola and changed into into a stream of water or some rainbow:
   

If this doesn't convince you, then well... okay