Is Crab kosher?
No — Crab is not kosher under Jewish dietary law.
Not kosher. Crabs are crustaceans — shellfish, no fins, no scales.
Image: Photo by Citron · licensed CC BY-SA 3.0 · source
About Crab
Decapod crustaceans with short tails folded under their bodies and a thick, protective exoskeleton.
Kosher ruling
Not kosher. Crabs are crustaceans — shellfish, no fins, no scales.
Source: Orthodox Union, Chabad
Look up another fish
Related species
Not Kosher Horseshoe crab
Limulus polyphemusAtlantic horseshoe crab, King crab (Asian markets)
Not Kosher Abalone
HaliotisPaua, Ormer
Not Kosher Barnacle
CirripediaGooseneck barnacle, Percebes, Acorn barnacle
Not Kosher Clam
BivalviaQuahog, Littleneck, Cherrystone
Not Kosher Conch
StrombidaeQueen conch, Horse conch
Not Kosher Crayfish
AstacoideaCrawfish, Crawdad, Mudbug