Introduced crustaceans-crabs:
| Crustaceans-Crabs | Atergatopsis immigrans | crab |
| Crustaceans-Crabs | Callinectes bocourti | Bocourt swimming crab |
| Crustaceans-Crabs | Callinectes exasperatus | rugose swimming crab |
| Crustaceans-Crabs | Callinectes sapidus | blue crab |
| Crustaceans-Crabs | Cancer magister | Dungeness crab |
| Crustaceans-Crabs | Carcinus maenas | green crab |
| Crustaceans-Crabs | Cardisoma guanhumi | blue land crab |
| Crustaceans-Crabs | Charybdis hellerii | an Indo-Pacific crab |
| Crustaceans-Crabs | Eriocheir japonicus | Japanese mitten crab |
| Crustaceans-Crabs | Eriocheir sinensis | Chinese mitten crab |
| Crustaceans-Crabs | Geothelphusa dehaani | a freshwater crab |
| Crustaceans-Crabs | Glabropilumnus seminudus | a hairy crab |
| Crustaceans-Crabs | Hemigrapsus sanguineus | Asian shore crab |
| Crustaceans-Crabs | Nanosesarma minuta | crab |
| Crustaceans-Crabs | Pachygrapsus fakaravensis | Polynesian grapsid crab |
| Crustaceans-Crabs | Panopeus herbstii | Atlantic mud crab |
| Crustaceans-Crabs | Panopeus pacificus | crab |
| Crustaceans-Crabs | Petrolisthes armatus | green porcelain crab |
| Crustaceans-Crabs | Pilumnus oahuensis | a crab |
| Crustaceans-Crabs | Platychirograpsus spectabilis | saber crab |
| Crustaceans-Crabs | Rhithropanopeus harrisii | estuarine mud crab, Harris mud crab |
| Crustaceans-Crabs | Schizophrys aspera | spider crab |
| Crustaceans-Crabs | Scylla serrata | Serrate swimming crab, Samoan crab, Mangrove crab |