Malacostracans

Range

Greener is more native, amber more introduced; paler is less certain. How this was decided

• Striped Shore Crab Pachygrapsus crassipes 34,840 observations
• Red Swamp Crayfish Procambarus clarkii 28,261 observations
• Atlantic Blue Crab Callinectes sapidus 25,250 observations
• Northern Kelp Crab Pugettia producta 17,159 observations
• Dungeness Crab Metacarcinus magister 15,583 observations
• Signal Crayfish Pacifastacus leniusculus 12,091 observations
• Blueband Hermit Crab Pagurus samuelis 11,417 observations
• Pacific Sand Crab Emerita analoga 10,743 observations
• Pacific Rock Crab Romaleon antennarium 9,752 observations
• Pacific Hairy Hermit Crab Pagurus hirsutiusculus 9,017 observations
• Atlantic Sand Fiddler Crab Leptuca pugilator 8,980 observations
• Atlantic Rock Crab Cancer irroratus 8,141 observations
• Thin-shelled Rock Crab Grapsus tenuicrustatus 8,062 observations
• Atlantic Sand Crab Emerita talpoida 8,005 observations
• California Spiny Lobster Panulirus interruptus 6,886 observations