Black striped false mussel

Scientific name

Mytilopsis sallei

Image of Black striped false mussel. The scientific name, Mytilopsis sallei. This image was taken by CRIMP, CSIRO Marine Research

Key features

Key features of Black striped false mussel include:

  • shells unequal in size - one side overlaps the other
  • small and easily crushed
  • shell sometimes has zig-zagged or striped pattern
  • forms dense clusters
  • grows up to 2.5cm long.


The Black striped false mussel:

  • shallow waters to a few metres deep
  • estuaries to open marine waters
  • attaches to hard surfaces like vessels, wharves, aquaculture equipment, buoys, intake pipes etc.


The Black striped false mussel:

  • fast-growing, displaces native species
  • causes major fouling of wharf pylons, marinas, vessel water intakes, aquaculture equipment etc.

Known established populations

The Black striped false mussel is currently not present in Victoria.

Report a marine pest sighting

Report any unusual marine species immediately using our online reporting system. Early reporting increases the chance of effective control and eradication. Please take good quality photos of the pests or damage to include in your report where possible.

Alternatively, you can call the Agriculture Victoria Customer Service Centre 136 186.

Report a sighting

Page last updated: 06 Jul 2023