Other animals › Pyuridae
cactus sea squirt
Boltenia echinata
14 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
Bristly TunicateBoltenia villosa
Sea HedgehogHalocynthia igabojaStudy checks a spoken answer against these, and tells you which one you named.
Where it is recorded
| United States | 950 |
|---|---|
| Alaska | 832 |
| Canada | 567 |
| New Brunswick | 234 |
| Quebec | 174 |
| Maine | 116 |
| Nunavut | 72 |
| Newfoundland and Labrador | 52 |
| Manitoba | 21 |
| Nova Scotia | 14 |
Counts show where people looked, not only where it lives.
Classification
| Kingdom | Animals · Animalia |
|---|---|
| Phylum | Chordates · Chordata |
| Class | Sea Squirts · Ascidiacea |
| Order | Stolidobranchia |
| Family | Pyuridae |
| Genus | Boltenia |
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 cactus sea squirt with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.