marbled rock crab vs mottled shore crab

Pachygrapsus marmoratus compared with Pachygrapsus transversus

Taxonomic Classification

Rank	marbled rock crab	mottled shore crab
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class same	Malacostraca (Crustaceans)	Malacostraca (Crustaceans)
Order same	Decapoda (Decapoda)	Decapoda (Decapoda)
Family same	Grapsidae	Grapsidae
Genus same	Pachygrapsus	Pachygrapsus
Species	Pachygrapsus marmoratus	Pachygrapsus transversus

Evolutionary Relationship

marbled rock crab and mottled shore crab share a common ancestor at the Genus level: Pachygrapsus.

Conservation Status

marbled rock crab

NE — Not Evaluated

mottled shore crab

NE — Not Evaluated

Physical Characteristics

Attribute	marbled rock crab	mottled shore crab
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

marbled rock crab

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Found across Europe (7 countries).

mottled shore crab

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Distributed across Denmark, France, Norway, and Tunisia.

Shared Countries

Both species can be found in 2 countries:

🇫🇷 France 🇳🇴 Norway