Heterocentrotus trigonarius
Heterocentrotus trigonarius,[1] commonly known as the slate pencil urchin or red slate pencil urchin,[2] is found in the tropical waters of the Indo-Pacific region.[1] Heterocentrotus mamillatus is a similar, related species.[2]
| Heterocentrotus trigonarius | |
|---|---|
 | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Class: | Echinoidea |
| Order: | Camarodonta |
| Family: | Echinometridae |
| Genus: | Heterocentrotus |
| Species: | H. trigonarius |
| Binomial name | |
| Heterocentrotus trigonarius (Lamarck, 1816) | |
Heterocentrotus trigonarius can grow to 30 cm (12 in) in diameter (spine-to-spine). The spines are potentially harmful to humans if trodden on.[2]
References
Wikimedia Commons has media related to Heterocentrotus trigonarius.
- Kroh A, Mooi R, eds. (2023). "Heterocentrotus trigonarius (Lamarck, 1816)". World Echinoidea Database. World Register of Marine Species. Retrieved 22 October 2023.
- "Critter of the Week: The tropical slate pencil urchin". NIWA. Retrieved 22 October 2023.
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