Quagga Mussel, Dreissena bugensis


Short description of Dreissena bugensis, Quagga Mussel

The Quagga mussel is a sessile bivalve of triangular shape and usually less than 5 cm length. It commonly has alternating light and dark brown stripes, but can also be solid light brown or dark brown.

Description of Dreissena bugensis, Quagga Mussel status in GB

First GB record in October 2014 in Wraysbury Reservoir and the Wraysbury River, a tributary of the River Colne, near Egham, Surrey.

Habitat summary: Dreissena bugensis, Quagga Mussel

It occupies lakes, rivers and estuarine habitats. Adults attach to hard substrata such as rocks, wood, man-made piping and native mussel shells via byssal threads. Typically occurring in fresh water but thriving in salinities up to 1‰.

Overview table

Environment: Freshwater
Species status: Non-Native
Native range: Caucasus, Russia South, Krym, Ukraine
Functional type: Filter-feeder
Status in England: Non-Native
Status in Scotland: Non-Native
Status in Wales: Non-Native
Location of first record: Wraysbury
Date of first record: 10

Distribution map

GB Distribution from NBN Atlas

Author's name:

Alexandra Zieritz

Last updated:

November 27th 2015

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