New Zealand Mud Snail (Potamopyrgus antipodarum)
Where did they come from?
- Originated in New Zealand
Where can they be found in South Dakota?
- The New Zealand Mud Snail has not been reported in South Dakota, but it is a species to watch out for since it has infested some waters as close as Minnesota.
- New Zealand Mud Snails grow to about 5mm in length and have brown or black cone-shaped shells that twirl to a point.
- Reproduce quickly and mass in high densities.
- Consume algae and compete with other native invertebrates for food sources, which can cause problems throughout the entire food chain.
What do they look like?
Why are New Zealand Mud Snails a problem?
How are New Zealand Mud Snails spread?
- New Zealand Mud Snails can be spread by any type of water users including both people and animals. It only takes one snail to produce an infestation. They can also survive for a long period of time out of water.
New Zealand Mud Snails links
Link to Protect You Waters info on New Zealand Mud Snails
USGS Fact sheet on New Zealand Mud Snails
Pictures of New Zealand Mud Snails
Click here to report New Zealand Mud Snails
SD AIS Species
A.I.S. Fish
Asian Carp
Common Carp
Western Mosquitofish
European Rudd
Snakehead
A.I.S. Invertebrates
Zebra & Quagga Mussels
Rusty Crayfish
Asian Clam
New Zealand Mudsnail
Red-rimmed Melania
A.I.S. Plants
Brittle Naiad
Didymo
Curlyleaf Pondweed
Flowering Rush
Eurasian Water Milfoil
Purple Loosestrife