Other animals › Cambarid Crayfishes
Big Water Crayfish
Cambarus robustus
28 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
Eastern CrayfishCambarus bartonii
Virile CrayfishFaxonius virilis
Rusty CrayfishFaxonius rusticus
Northern Clearwater CrayfishFaxonius propinquus
Rock CrayfishCambarus carinirostris
Conhaway CrayfishCambarus appalachiensis
White River CrayfishProcambarus acutus
Calico CrayfishFaxonius immunis
Study checks a spoken answer against these, and tells you which one you named.
Where it is recorded
| United States | 1,294 |
|---|---|
| Canada | 712 |
| Ontario | 673 |
| New York | 380 |
| North Carolina | 287 |
| Tennessee | 211 |
| Virginia | 96 |
| Pennsylvania | 70 |
| Massachusetts | 42 |
| West Virginia | 40 |
Counts show where people looked, not only where it lives.
Traits
Physical
- ExoskeletonHas a hard external skeletonFrom its classification
Classification
| Kingdom | Animals · Animalia |
|---|---|
| Phylum | Arthropods · Arthropoda |
| Class | Malacostracans · Malacostraca |
| Order | Decapods · Decapoda |
| Family | Cambarid Crayfishes · Cambaridae |
| Genus | Cambarus |
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 Big Water Crayfish with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.