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New Zealand Mud Snail
New Zealand Mud Snail
Photo courtesy of D.L. Gustafson

Invasive Species - New Zealand Mud Snail

New Zealand Mud Snail (Potomopyrgus antipodarum)

New Zealand Mudsnails are tiny snails (3-6 mm long) that have brown or black cone-shaped shells.

As they reproduce quickly and mass in high densities, there is concern they will impact native invertebrates and the food chain of Oregon’s native trout and degrade steam water quality, with devastating effects to recreational fishing.

They attach easily to boats, boots, waders and fishing gear.

For more information, visit the USDA National Invasive Species Information Center website.

How to prevent the spread of New Zealand mudsnails through field gear (pdf)

1-866-INVADER

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