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iNat·122164SpeciesAnimalia1,033 field observations
  1. Animals
  2. ›Echinoderms
  3. ›sea urchins and sea cucumbers
  4. ›Sea Urchins, Sand Dollars, and Heart Urchins
  5. ›sea urchins
  6. ›Aulodonta
  7. ›Diadematacea
  8. ›Diadematoida
  9. ›Diadematidae
  10. ›Echinothrix
Blue-black Urchin
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Blue-black Urchin

Echinothrix diadema

The diadema urchin or blue-black urchin (Echinothrix diadema) is a species of tropical sea urchin, member of the Diadematidae family.

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Where it lives

Recorded sightings

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geo-referenced records in GBIF, from museums, herbaria and field observers.

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In the stacks

Searching the stacks…

Every page naming Echinothrix diadema in the Biodiversity Heritage Library →

This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 122164.