Mottled shore crab

(Pachygrapsus transversus)

Classification:

  • Kingdom: Animalia

  • Phylum: Arthropoda

  • Class: Malacostraca

  • Order: Decapoda

  • Suborder: Pleoocyemata

  • Infraorder: Brachyura

  • Family: Grapsidae

  • Subfamily: Grapsinae

  • Genus: Pachygrapsus

  • Species: P. transversus

Common Names

  • Mottled shore crab

miniBIOTA

  • Biome: marine coastal

  • Introduced: 14 Jul 2024

  • Found: Jetties near Sebastian Inlet, Florida

  • Estimated population: 2 as of 9 Dec 2024, both are female

  • Breeding: no male present. Unfertilized eggs produced regularly. Frequency hasn’t yet been established.

  • Known Diet: algae, detritus, small invertebrates

  • Behavior: Found on the rocky intertidal zone , Scavenges throughout the day on rocks and on the sea grass. The two crabs usually avoid each other.

Additional Images