Other animals › Echinometridae
Reef Urchin
Echinometra viridis
24 photos
Study shows up to four per card, from different observers, so you learn the species rather than one picture. Heart the good ones and swap any you do not like.
Photos you add are credited to you, and you keep the copyright.
Easily confused with
Indo-Pacific Rock-boring UrchinEchinometra mathaei
Purple-brown UrchinArbacia punctulata
HogfishLachnolaimus maximus
Atlantic Long-spined Sea UrchinDiadema antillarum
Queen TriggerfishBalistes vetula
Jolthead PorgyCalamus bajonado
Oceanic TriggerfishCanthidermis sufflamen
Atlantic Rock-boring UrchinEchinometra lucunter
Study checks a spoken answer against these, and tells you which one you named.
Where it is recorded
| United States | 75 |
|---|---|
| Panama | 16 |
| Provincia de Bocas del Toro | 16 |
| Mexico | 7 |
| Quintana Roo | 7 |
Counts show where people looked, not only where it lives.
Traits
Physical
- RegenerationCan regrow lost body partsFrom its classification
Classification
| Kingdom | Animals · Animalia |
|---|---|
| Phylum | Echinoderms · Echinodermata |
| Class | Sea Urchins, Sand Dollars, and Heart Urchins · Echinoidea |
| Order | Camarodonta |
| Family | Echinometridae |
| Genus | Rock-boring Urchins · Echinometra |
Sources
- Names, taxonomy and observation counts: www.inaturalist.org
- Photos and recordings: the creator and source are on each one.
- How much to rely on each source
Remember the name next time.
Practise Reef Urchin with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.