SD Least Wanted.comAquatic invasive Species

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didymo

Origin:

Europe, Asia and parts of North America

Identification:

Didymo is a tan, light brown, and whitish diatom that clumps in strands and feels cottony to the touch. When submerged it looks similar to wet bathroom tissue.

Impacts:

This diatom can form large masses and reduce the primary productivity of the stream. It may be a cause for the decline of trout in some areas of the US.

Range Expansion:

Didymo can attach to waders and other gear and can easily be transported to new areas when fishing multiple streams in the same day.

South Dakota Distribution:
Asian Carp Distribution Map

Keep Aquatic Invasive Species Out of South Dakota's Waters

ALWAYS DO:

  • Remove aquatic plants and animals before leaving any waterbody.
  • Drain water from bait bucket, live well, bilge and motor before leaving any waterbody.
  • Dispose of unwanted bait, fish parts, and worms in the trash.
  • Spray/wash boat, trailer, and equipment with high pressure hot water on your way home or at home -OR- dry everything for at least 5 days.
  • Always report questionable species.

NEVER DO:

  • Never release live animals or plants - this includes all aquarium species, bait, pets or water garden plants. Do not release these into the wild. If you cannot find another home for animals, dispose of them in a trash can or bury them. Seal plants in plastic bags and dispose.

WHY?

Because these hitchhikers can:

  • Reduce game fish populations
  • Ruin boat engines and jam steering equipment
  • Make lakes/rivers unusable by boaters and swimmers
  • Dramatically increase the operating costs of drinking water plants, power plants, dam maintenance, and industrial processes
  • Reduce native species
  • Degrade ecosystems
  • Affect human health
  • Reduce property values
  • Affect local economies of water-dependent communities.
More information on ProtectYourWaters.net