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Mussels discovered in aquarium products sold in Idaho

Idaho

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Courtesy ISDA

The following is a news release from the Idaho State Department of Agriculture.

The Idaho State Department of Agriculture’s (ISDA) Invasive Species Program announced today the detection of invasive zebra mussels in aquarium products sold in the state. The ISDA has found live, viable zebra mussels in Marimo moss balls which commonly are sold for use in aquariums.

ISDA officials were first made aware of the issue Wednesday and agency personnel immediately responded with in-person inspections. ISDA’s response has been part of a coordinated nationwide effort to remove these products from store shelves and advise stores and the public about proper disposal of affected material.

ISDA is working with local Petco store managers to obtain any additional product currently in transit.

“Store managers and staff have been very cooperative in this process,” said Nic Zurfluh, Invasive Species Section manager. “They have worked with us, and we are grateful for their understanding.”

examining mussels

Courtesy ISDA

What the public can do

Do not dump aquarium tank water or dispose of moss balls in natural waterbodies.

Aquarium owners can safely dispose of the moss ball(s) by one of two methods:

  • Remove the moss ball(s) and place in a plastic bag. Put the bag in a freezer and leave for at least 24 hours. After that, the moss ball(s) can be disposed of in the trash.
  • Place moss ball(s) in boiling water for at least one full minute. After that, the moss ball(s) can be disposed of in the trash.

For moss balls that have already been in an aquarium, the ISDA recommends cleaning the entire aquarium:

  • Collect fish and plants and place them in another container. Dispose of the water in a sink or toilet (municipal wastewater is treated to kill pathogens, and septic tanks are fully self-contained underground).
  • Carefully scrub the tank, accessories, rocks, and decorations with a strong solution of chlorine bleach/water. Another option (if you don’t want to use chlorine bleach) is to carefully use water that is 140 degrees to flush and coat all the tank and accessory surfaces. ISDA recommends another water change within a week and to continue to monitor the tank for any unusual aquatic growth.
  • For very large aquariums that you may not be able to completely dewater/decontaminate, dispose of the moss ball(s) as above. It is recommended that you do conduct frequent water changes and continue to monitor the tank for any unusual aquatic growth.

“We have always said private citizens are Idaho’s best line of defense in protecting our state from invasive species,” said Zurfluh. “Once again, we are asking for Idahoans help to keep invasive species from getting a foothold in our state.”

Anyone with questions or concerns about zebra mussels or other invasive species concerns may contact the ISDA Invasive Species Hotline at (877) 336-8676 or info@isda.idaho.gov.

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