Heliocidaris tuberculata, tuberculate urchin

Heliocidaris tuberculata Lamarck 1816

tuberculate urchin

brown sea urchin

The tuberculate urchin, Heliocardis tuberculata, is a bright, reddish brown, the spines are oval in cross section and blunt tipped.
Distribution =  southern Australia to Southern Qld
Max size =   test diameter about 10cms, spines about 5cms long
Family =   Echinometridae