Pseudoboletia indiana Michelin 1862

mauve-tipped urchin

collector urchin

The mauve tipped urchin, Pseudoboletia indiana, has a white test and white spines with purple tips.
This sea urchin collects and covers itself with pieces of shell and other fragments.
Distribution = Indo-Pacific, northern Australia
Max size = test diameter to 8cms, primary spines 1- 2cms
Family = Toxopneustidae