Red slate pencil urchin (Heterocentrotus mamillatus)
| Category | Echinoderms |
| Maximum length | 12 cm |
| Class | Echinoidea |
| Order | Echinoida |
| Family | Echinometridae |
| Genus | Heterocentrotus |
| Shoot place | Gardens Bay |
| Shoot date | 2018-10-11 |
Short description
Most specimens are bright red, but brown and purple shades are also found. A white ring at the base of the spines and alternating light and dark rings. The spines have a rounded or triangular cross-section and taper toward the tip.
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