Other animals › Echinometridae
Western Pacific purple sea urchin
Heliocidaris erythrogramma
25 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
Pacific Purple Sea UrchinStrongylocentrotus purpuratus
Red Sea UrchinMesocentrotus franciscanus
Study checks a spoken answer against these, and tells you which one you named.
Where it is recorded
| Australia | 1,283 |
|---|---|
| New South Wales | 700 |
| Victoria | 256 |
| South Australia | 219 |
| Tasmania | 62 |
| Western Australia | 40 |
| Queensland | 4 |
| Other Territories | 2 |
| United States | 1 |
| Hawaii | 1 |
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 | Heliocidaris |
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 Western Pacific purple sea urchin with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.