Inhabits tubes in sandy areas at any depth. Easily observed at night when banded tentacles are extended.
Retracts rapidly when disturbed.
Color variable, usually pale.
A large colony inhabits the turning basin at Makai Pier, Oahu.
Attains crown diameter of 1.5 inches.
Hawaii and the Tropical Pacific.
Text source: http://www.marinelifephotography.com/marine/cnidaria/isarachnanthus-bandanensis.htm