Other animals › Hardnose Skates
Thornback Skate
Raja clavata
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
Spotted SkateRaja montagui
Undulate SkateRaja undulata
Thorny SkateAmblyraja radiata
Blonde SkateRaja brachyura
Mediterranean Starry SkateRaja asterias
Smalleyed SkateRaja microocellata
Biscuit SkateRaja straeleni
Thornback GuitarfishPlatyrhinoidis triseriata
Study checks a spoken answer against these, and tells you which one you named.
Where it is recorded
| United States | 52,465 |
|---|---|
| Alaska | 52,465 |
| United Kingdom | 458 |
| England | 248 |
| Wales | 170 |
| Netherlands | 130 |
| France | 80 |
| Zuid-Holland | 76 |
| Normandie | 34 |
| Noord-Holland | 25 |
Counts show where people looked, not only where it lives.
Classification
| Kingdom | Animals · Animalia |
|---|---|
| Phylum | Chordates · Chordata |
| Class | Cartilaginous Fishes · Chondrichthyes |
| Order | Skates · Rajiformes |
| Family | Hardnose Skates · Rajidae |
| Genus | Raja |
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 Thornback Skate with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.