Appearance
The column is translucent white with white spots, and grows to approximately 7 centimetres (2.8 in) in diameter. The oral disc may reach 12 centimetres (4.7 in). The overall diameter with the tentacles spread out is around 30 centimetres (12 in). This species usually has five whorls of tentacles, with 96 tentacles present when it is fully developed. The tentacles are each around 8 centimetres (3 in) long, green to yellow in colour, and sometimes greyish. They often have bands of white and other colours, and purple tips. The mouth, in the centre of the oral disc, is purplish.

