© Greg GrimesCC BY-SA 4.0 · iNaturalist
Atlantic Long-spined Sea Urchin
Diadema antillarum
© Ben CostamagnaCC BY 4.0 · iNaturalist
Hearth Heart Urchin
Maretia planulata
- Max size
- View in app
- Found in
- 58 regions
How to recognise it
- Colours
- whitebrown
- Pattern
- Spines pattern
It is also known as Longspine Heart Urchin. It usually lives buried in the sand, crawls along the seabed
Similar species
© Greg GrimesCC BY-SA 4.0 · iNaturalist 
© Bernard DUPONTCC BY 4.0 · iNaturalist
Banded Sea Urchin
Echinothrix calamaris
© Matt MuirCC BY 4.0 · iNaturalist
Black Longspine Urchin
Diadema setosum
© Ewout KnoesterCC BY-SA 4.0 · iNaturalist
Blue-spotted Urchin
Astropyga radiata
© DoreenCC BY 4.0 · iNaturalist
Cake Sand Dollar
Arachnoides placenta
© Dominik Maximilián RamíkCC BY 4.0 · iNaturalist
Collector Urchin
Tripneustes gratilla
Questions
Is Hearth Heart Urchin dangerous?
Hearth Heart Urchin has no known danger to humans. However, always observe marine life responsibly.
