Other animals › Echinometridae
Indo-Pacific Rock-boring Urchin
Echinometra mathaei
26 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
Pot-hole UrchinStomopneustes variolaris
Western Pacific purple sea urchinHeliocidaris erythrogramma
Oblong Sea UrchinEchinometra oblonga
Banded Sea UrchinEchinothrix calamaris
Red Pencil UrchinHeterocentrotus mamillatus
White Spot UrchinParasalenia gratiosa
Black sea urchinArbacia lixula
Reef UrchinEchinometra viridis
Study checks a spoken answer against these, and tells you which one you named.
Where it is recorded
| Hawaii | 2,691 |
|---|---|
| United States | 1,832 |
| Australia | 160 |
| New South Wales | 111 |
| Taiwan | 79 |
| Philippines | 57 |
| Indonesia | 53 |
| China | 47 |
| Taiwan Province | 42 |
| Japan | 31 |
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 Indo-Pacific Rock-boring Urchin with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.