Pseudoboletia indiana Michelin 1862
mauve-tipped urchin collector urchin
Pseudoboletia indiana, mauve-tipped urchin  collector urchin

family Toxopneustidae

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