This is a sea hare. When threatened, they squirt purple ink and milky white substance called opaline at the predator. The ink impairs their vision and the opaline restricts their sense of smell. It's another fascinating sea creature!
ARTFINDER: The Princess And The Hare by Jilly Henderson - 'The Princess And The Hare' is an original drawing measuring x in size.a very long thin work. 'The Princess And The Hare' has been drawn in pen.
Sea Hare Ink Is One of Nature's Most Unusual Bioweapons