Pseudocolchirus violaceus (Theel 1886), (Australian) Sea
Apple, Violet Sea Cucumber... Eastern Indian Ocean and Western
Pacific. Can be deadly toxic if disturbed... do not keep with Sea
Urchins, predatory Sea Stars (e.g. Protoreastor, Asthenosoma).
Sensitive to poor, changing water quality. Largely a filter feeder. (information
copied from www.wetwebmedia.com