Other animals › Swimming Crabs
Atlantic Blue Crab
Callinectes sapidus
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
Lesser Blue CrabCallinectes similis
Ornate Blue CrabCallinectes ornatus
European Green CrabCarcinus maenas
Arched Swimming CrabCallinectes arcuatus
Dana swimming crabCallinectes danae
Speckled Swimming CrabArenaeus cribrarius
Masked Swimming CrabCallinectes larvatus
Blue Land CrabCardisoma guanhumi
Study checks a spoken answer against these, and tells you which one you named.
Where it is recorded
| United States | 70,952 |
|---|---|
| Texas | 39,077 |
| New York | 1,845 |
| Maryland | 1,654 |
| New Jersey | 1,406 |
| North Carolina | 1,290 |
| Virginia | 1,214 |
| South Carolina | 1,064 |
| Massachusetts | 892 |
| Italy | 543 |
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 | Swimming Crabs · Portunidae |
| Genus | Blue Crabs · Callinectes |
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 Atlantic Blue Crab with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.