Remove fish or other living organisms from the aquarium and place them in separate container, acquire water from a separate, uncontaminated water source.Step 3: Treat aquarium or container contents and water.Step 2: Dispose of the moss ball by putting it in a sealed bad and disposing of it in the trash.Place in boiling water for at least 1 minute and then let cool.Placing it in sealed bag in the freezer for longer than 24 hours.DO NOT flush moss balls and/or any aquarium/water garden contents (water, plants, rocks, etc) down the toilet, put down the drain or dispose of them in the compost.Albertans who have purchased a moss ball after Januneeds to dispose of it following our guidelines to protect Alberta’s aquatic ecosystems.Our Science and Monitoring team analyzing the moss balls have confirmed many contain zebra mussels (Dreissena polymorpha) water samples are also being tested to see if the microscopic larval form (called veligers) of mussels are present. Our Conservation K9 team was also utilized to confirm the presence of invasive mussels on the moss balls. Zebra mussels found by our AIS team have been small, and may not be easy to see by the untrained eye. They are primarily sold for decorative purposes in aquariums and in water displays and can be found in Northern Europe, Iceland and Japan.Īnyone who sees moss balls being sold should call our 24/7 hotline at 1-85.
‘Moss’ (marimo) balls are a unique spherical growth form of a green algal species named Aegagropila linnei, but may be sold under its former name, Cladophora aegagropila. Invasive Zebra mussels have been discovered in ‘moss’ balls sold at various retailers, including pet and plant stores, throughout North America, including here in Alberta.
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