Described as a prototypical LAKE-MONSTER complete with a long neck, bulky body, four flippers, an eel-like tail and mottled-grey skin, there are those who have suggested that the Hawkesbury River Monster may be a descendant of the oft seen plesiosaur family.
However, Robert Jones, a palaeontologist from the Australian Museum, is understandably skeptical regarding that particular theory:
“It’s impossible for them to live in the Hawkesbury River; they just don’t exist.”