Pacific Rock Crab

Romaleon antennarium

green and red crab with lots of hair on its back

Common Name: Pacific Rock Crab

Scientific Name: Romaleon antennarium

Kingdom, Phylum, Class, Order, Family: Animalia, Arthropoda, Malacostraca, Decapoda, Cancridae

Diet: Limpets and other tidepools creatures

Habitat: Crevices, tidepools and buried in sand, low tide zones

Range: Oregon to Mexico

Identification: Lavender-red carapace, red spots underneath, black tipped claws, hairy legs and a lot of hair on body as juveniles

Reproduction: Eggs develop underneath the female’s abdomen, eggs from November to January

Behavior: Sheds old skin between 5-18 months depending on size of individual

Predators: Bottom dwelling fish

Citations:Johnson and Snook, 1927.Light, Sol Felty. 2007.Russo, Ron, and Pam Olhausen. 1981.Cameron, A. 2001.