Aquatic Invasive Species

Cluster of Zebra Mussles. They are small shellfish named for their brown and white striped pattern.

What are aquatic invasive species?

Aquatic Invasive Species...

Why should I care?

Aquatic invasive species infestations result in a variety of economic and environmental impacts.  They can:

In Washington, it is against the law to transport aquatic weeds, zebra mussels, or other aquatic invasive species.

How do aquatic invasive species enter our lakes and streams?

Species of Concern

Zebra Mussles are small shellfish named for their brown and white striped pattern.

Not found in Washington

Small rock with New Zealand Mud Snails. These invasive snails are 4-6 mm in length with varying shell colors.

Already in Lake Padden

An Invasive Eurasian watermilfoil. Featherlike green leaflets that conntect to a thin stem.

Already in Lake Whatcom and Lake Terrell


A hand holding a dime size light brown colored Asian clam.

Already in Lake Whatcom, Lake Samish, and Lake Padden

What can I do to help?

When boating on Lake Whatcom remember to get your boat inspected and permitted prior to launching and clean, drain, and dry before launching and before leaving.

Do not release pets, aquatic plants, or aquarium water into the wild.

Resources