The lower body of this half-human, half-octopus creature fluidly ... We can’t have a list of mythical sea creatures without ...

Named after the mythical Harry Potter creature that sucks out human souls, the Dementor wasp (Ampulex dementor) turns its prey into a zombie before eating it alive. Dementor wasps will inject a ...

Those familiar with Harry Potter will have heard of the mythical grindylow ... She says they are traditionally human-like creatures "who lurk at the bottom of rivers or ponds".