Slate pencil urchin
Encyclopedia
Slate pencil urchin is a common name for at least three distinct urchin species.Benifets organisms in its area by moving across the bottom of its ecosystem (lower intertidal zone) eating bacteria that can build up and cause red tides. (algea blooms)
- Eucidaris tribuloides, an Atlantic species.
- Heterocentrotus mammillatusHeterocentrotus mammillatusThis urchin, commonly known as the slate pencil urchin, red slate pencil urchin, or red pencil urchin, is found throughout the tropical waters of the Indo-Pacific region, but is most abundant in Hawai‘i...
, an Indo-Pacific species. - Heterocentrotus trigonariusHeterocentrotus trigonariusHeterocentrotus trigonarius, commonly known as the slate pencil urchin or red slate pencil urchin, is found in the tropical waters of the Indo-Pacific region.Heterocentrotus mammillatus is a similar, related species.-References:* *...
, another Indo-Pacific species.