The Echinoblog: Holding on in a Rough World: Colobocentrotus atratus-the Shingle Urchin!!
Evolution Happens - Colobocentrotus atratus, also known as the helmet urchin or shingle urchin, is adapted for life in wave-battered rocky coasts. The spines on the side are flattened and scales on
Helmet urchin or Shingle urchin | Stock Photo
The Echinoblog: Some Colobocentrotus diversity! (aka the Shingle or Helmet Urchins!)
Invertebrate of the Week: Helmet Urchin | Reef Watch Waikīkī