This was sent to me by an esteemed colleague at a major institution, somewhere in the world, to follow up on some strange things on cockroaches and snails I found down the back of the internet.
![](http://1.bp.blogspot.com/_NsONLGRngn4/TLsExxGEuRI/AAAAAAAAEJY/BfU85k5DaDs/s320/aida-makoto-cockroach-sex-safe.jpg)
It seems there may be quite a market for invertebrate-human pornography of various kinds.
Indeed the photograph above is taken from a post discussing some historical Japanese erotica, which is perhaps not for the faint of heart.
Just in case you think this is a new thing then check out this rather old example of inter-species love:
![](http://www.tokyokinky.com/blog/wp-content/uploads/2010/04/hokusai-dream-of-the-fishermans-wife-shunga-tentacle-sex.jpg)
It turns out that people have desired, or at least thought about intimate relationships with impressive looking invertebrates for centuries.
Which doesn't make it OK, or less weird......