Zebra mussels

A couple dozen mussels with brown-black-and-white-striped shell together on the ground

Zebra mussels

Z is for zebra mussels, an invasive species that threatens U.S. waters.
Image
Photo By/Credit
Dave Britton/USFWS
Ecosystem
Coastal
Marine
Media Usage Rights/License
Public Domain
Subject tags
Invasive species
Marine environments
Mollusks