Other animals › Swimming Crabs

Arched Swimming Crab

Callinectes arcuatus

Easily confused with

Study checks a spoken answer against these, and tells you which one you named.

Where it is recorded

Records by month in Mexico.January 7, February 7, March 8, April 22, May 16, June 4, July 3, August 5, September 6, October 8, November 5, December 7.
Mexico98
Sinaloa36
United States35
California34
Baja California Sur19
Costa Rica15
Ecuador13
Sonora10
Provincia Puntarenas9
Peru9

Counts show where people looked, not only where it lives.

Traits

Physical

  • ExoskeletonHas a hard external skeletonFrom its classification

Classification

KingdomAnimals · Animalia
PhylumArthropods · Arthropoda
ClassMalacostracans · Malacostraca
OrderDecapods · Decapoda
FamilySwimming Crabs · Portunidae
GenusBlue Crabs · Callinectes

Sources

Remember the name next time.

Practise Arched Swimming Crab with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.