The diadema urchin or blue-black urchin (Echinothrix diadema) is a species of tropical sea urchin, member of the Diadematidae family.
From Wikipedia, under CC BY-SA 4.0.
Is it venomous or poisonous?
We have no record of Blue-black Urchin being toxic, poisonous or venomous. That is not proof that it is safe. Never eat, touch or handle a wild plant, mushroom or animal on the strength of an identification; ask someone qualified.
Easily confused with
- Diadema mexicanum
- Centrostephanus coronatus
- Diadema africanum
- Diadema savignyi
- Centrostephanus rodgersii
- Echinothrix calamaris
Classification
- Kingdom
- Animalia
- Phylum
- Echinodermata
- Class
- Echinoidea
- Order
- Diadematoida
- Family
- Diadematidae
- Genus
- Echinothrix
- Species
- Echinothrix diadema
Found one? Take a photo and B.inomen will suggest what it is, free.
Check your photo