Its name literally means “vampire squid from hell”, and has remained unstudied for several decades until just recently
The Vampire Squid, Vampyroteuthis infernalis, is a deep sea dwelling animal discovered just over a century ago. A recent study has just confirmed that this squid is actually a detrivore, making it the only living cephalopod to not hunt and seek its own prey.
Full article can be found at Frontier’s Gap Year Blog:
http://gapyearblog.org.uk/science-club/2013/2/25/the-vampire-squid-is-actually-a-zombie.html