It is also stated that they are an extremely rare Liminal species and also one of the most mysterious.
![dullahan monster musume hentai gif dullahan monster musume hentai gif](http://i1.kym-cdn.com/photos/images/original/001/021/714/6b9.gif)
However, this is only mentioned in The Eight Brothers, so it is unknown whether this information is canon for the Dullahan in Monster Musume, as Lala never mentioned this detail.
![dullahan monster musume hentai gif dullahan monster musume hentai gif](https://64.media.tumblr.com/8d6ed4d124c5491bbd22d667d44d6cf4/c57694179df9ca46-d1/s640x960/7cf11d7e35cdb05300b4b10e8b9bcc80a65d83a6.gif)
![dullahan monster musume hentai gif dullahan monster musume hentai gif](http://pa1.narvii.com/6310/39157827e32cd6dc3baad1db477ac5880272fad5_00.gif)
However, they possess some traits that give them an otherworldly appearance such as black sclera, pale hair, blue skin.