How big does the Marbled Shore Crab get?

The Marbled Shore Crab grows to about 4 cm.

Marbled Shore Crab

Pachygrapsus marmoratus

Group: Crab
Max size: 4 cm

Quick and flat bodied, the marbled shore crab scuttles sideways across rocks from the upper to middle shore and darts into crevices in breakwaters and pilings. It eats a bit of everything, grazing algae and scavenging, and tolerates long spells out of the water as the tide drops.

Taxonomy: Animalia › Arthropoda › Malacostraca › Decapoda › Grapsidae › Pachygrapsus

Species data via the World Register of Marine Species (WoRMS), AphiaID 107455.

FAQ

How big does the Marbled Shore Crab get?: The Marbled Shore Crab grows to about 4 cm.