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Golden Alga in Texas

Ways to Help Prevent the Spread of Nuisance Aquatic Plants and Animals

Aquatic nuisance plants and animals (such as hydrilla, golden alga, zebra mussel, and other organisms) could cause ecological harm if released, or introduced into our streams and reservoirs. To prevent (or at least minimize) the spread of nuisance aquatic plants and animals please follow these general recommendations:

Whenever possible, these additional general recommendations from the Sea Grant Boat Cleaning Tips should also be followed:
Dry your boat and equipment to kill harmful species that were not seen at the boat launch. Some species can survive several days out of water, so it is important to:

Other Recommendations to Prevent the Spread of Diseases like Largemouth Bass Virus:

Sea Grant Kids Pages

Sea Grant Outreach - Exotics


Aditional Information:

Would you like to know more?
The Biology of Golden Alga summarizes what we know about the alga and its toxins.

Where does golden alga fit compared to other single-celled organisms?
The Golden Alga Family Tree gives examples of and information about golden alga and other protists.

What does golden alga look like?
TPWD Golden Alga Images has photos of fish kills, golden algal cells, and short videos of live golden alga. These images may be used for noncommercial/educational purposes as long as TPWD is given credit and other site policies are followed.

Golden Alga Information Card: TPWD has collaborated with the Texas Commission on Environmental Quality and other entities to produce a golden alga information card. Download a PDF from the TCEQ website or request a free hard copy from TPWD at

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