NAS - Nonindigenous Aquatic Species
Zebra and Quagga Information Resource Page
QUAGGA MUSSEL IMAGES
Click on images to enlarge:
Zebra Mussel vs. Quagga Mussel Images
Top: Zebra mussel, Bottom:
Quagga mussel
Left: Zebra mussel, Right: Quagga mussel
Left: Zebra mussel, Right: Quagga mussel