This striking anemone known by the scientific name of Epiactis thompsoni (Actiniaria - Actiniidae), lives in shallow waters of southern Australia and New Zealand.
Although the color pattern varies, they usually are red and pink. The column is smooth with vertical stripes of cream and red, and have about 40-60 short tentacles.
Photo credit: ©Saspotato | Locality: Portsea Pier, Melbourne, Victoria, Australia
Seeing a lot of this lately
Summer Azure (Celastrina neglecta)