![]() If you purchased a moss ball aquatic plant after Februfollow this guidance (PDF) for disposal of the moss ball and cleaning of your aquarium. The DNR contacted Minnesota pet stores to inform them of the findings and remove them from sale until the problem can be resolved. They are a concern because disposal of aquarium water or the moss balls could inadvertently introduce zebra mussel adults or veligers (larvae) to natural waters. These popular and interesting looking plants are a type of filamentous algae. Zebra mussels were recently found entangled in aquarium plants known as Marimo moss balls. Zebra mussels found in popular aquarium plant If you are traveling with prohibited invasive species attached to your watercraft (such as zebra mussels) please print out and complete a permit before traveling.Arrive at least 30 minutes prior to the posted end time.Call the contact person listed for the site to confirm the unit is present.Additional dates will be added as the season progresses. The calendar feature searches availability on specific days. This map shows scheduled decontamination locations. The decontamination units and DNR-authorized watercraft inspectors can help you comply with invasive species laws and reduce the risk of spreading aquatic invasive species. your boat has been in the water more than 24 hoursīoaters can have courtesy decontaminations done at dozens of locations around the state.View this 30 second 2021 commercial about AIS prevention When is it extremely important to visit a decontamination station for a courtesy decontamination before visiting another lake? Thank you for everyone that consistently takes these simple AIS prevention actions! By the end of this year, 36% of these accesses will have high-level redesign features and 55% will have a watercraft inspection presence.Ĭurrently 77,863 tool uses have been recorded from the 18 CD3 (boat cleaning) stations spread throughout the county since the pilot project in 2017. The management of these accesses range from local cities, park districts, county, state, and federal agencies. Hennepin County currently has 47 public accesses capable of launching with a boat and trailer. Current prevention tools include simple prompt messages about Clean, Drain and Dry, designated locations to perform these actions, and providing the tools at no cost, empowering everyone to take action. For more information on trade pathways for invasive species introductions, visit the Minnesota Department of Natural Resources (DNR) trade pathways for invasive species introductions website.Ĭounty staff has been working to redesign public accesses with an emphasis on AIS prevention since 2012. The Minnesota Aquarium Society will also take fish, plants and other aquarium species and sell them at their auction events. If you have an unwanted fish or other aquarium pet, many stores will take them back. It is important to remember that crayfish or any other pet should never be released in the wild. Not all crayfish sold in pet stores are considered invasive and pet stores may sell crayfish not listed as prohibited species. The pet stores carrying the prohibited crayfish were notified and are cooperating in removing them from their tanks. It is illegal to sell and possess prohibited species. The crayfish found were listed as tangerine lobster, tangerine orange lobster, fireball crayfish and tri-color ghost crayfish. In aquarium stores, crayfish are found in various colors and have many common names, even though they are the same species. ![]() The crayfish sold in the aquarium trade are bred as pets andcan look quite different than photos you may have seen of red swamp crayfish. This species may survive and reproduce in Minnesota waters and was found in a northern Minnesota lake several years ago. The crayfish are the prohibited species Procambarus clarkii, also known as red swamp crayfish. Invasive crayfish have been found in several aquarium stores. ![]() Inspections of Hennepin County pet/aquarium stores and garden centers are being conducted in a project funded by Hennepin County using Aquatic Invasive Species Prevention Aid funds. Invasive Crayfish Found in Hennepin County aquarium stores ![]()
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