M.O.M Rating: XXX
This creature is an invention of JKR. It looks something like a rat, and is native to coastal areas of Britain. Its most interesting feature is the anemone-like growth on its back, which can be picked and eaten to provide resistance to curses [FB]. The creature would also appear to have healing properties, as Hermione treated the injuries Harry sustained in his detention with Professor Umbridge with a solution of strained and picked Murtlap tentacles [OOTP15]. Harry recommended essence of Murtlap (presumably the same thing) to Lee Jordan when he suffered the same punishment for being rude to Umbridge. Caution needs to be exercised when taking Murtlap, however, as an overdose can lead to an outbreak of purple ear hair [FB].
