Invasive Invertebrates Other than Insects & Spiders

Invasive invertebrates other than insects and spiders are from one part of the world that are transported, or migrate due to climate change, beyond their natural range and become established in a new area where they can cause potential harm to native ecosystems.

  • Apple snail
  • Asian clam (PDF)
  • Atlantic oyster
  • Atlantic ribbed mussel
  • Bloody red shrimp (red mysid)
  • Chinese mitten crab
  • Chinese mystery snail (PDF)
  • Colonial tunicate
  • Compound sea squirt
  • Conrad's false mussel
  • Eastern oyster drill
  • Eastern softshell clam
  • European brown garden snail
  • European ear snail
  • European green crab
  • Freshwater jellyfish
  • Giant garden slug
  • Golden star tunicate
  • Harris mud crab
  • Japanese mussel / Asian date mussel
  • Japanese oyster drill
  • Japanese shore crab
  • Land slugs
  • Large red slug
  • Larger banded snail
  • New Zealand green-lipped mussel
  • New Zealand mudsnail
  • Northern quahog clam
  • Quagga mussel
  • Red swamp crayfish (PDF)
  • Ringed crayfish
  • Rusty crayfish (PDF)
  • Sea squirts
  • Spiny waterflea
  • Stalked sea squirt
  • Varnish clam
  • Virile crayfish
  • Woodlouse spider
  • Yellow sea squirt
  • Zebra mussel