While mainly known to be blue, they can also be pink or violet tinted. They have long strands of tentacles and polyps that grow to an average of 30 ft. and may extend by as much as 100 ft.

The City of Mount Gambier will spend $136,000 on the "Cast in Blue" sculpture in the centre of town. The design has received widespread public backlash on social media, but the council has voted ...