👉 Gollumshark is a mythical creature described in the Lord of the Rings series by J.R.R. Tolkien. It is often depicted as an animal with a long, pointed tail and a hole on its head where it would fit if it were a fish. The name "gollumshark" comes from a reference to Gollum, a character from the story who is described as having a long, pointed tail and a hole in his head.