Images of Golden Alga, Prymnesium parvum Fish Kills

Aerial photograph of bloom in Lake Possum Kingdom in January 2001 shows example of water color during bloom conditions.
Aerial photograph of bloom in Lake Possum Kingdom in January 2001 shows example of water color during bloom conditions.

Fish Kill
Fish Kill

Partially eaten crappie indicates feeding on dead fish by other wildlife
Partially eaten crappie indicates feeding on dead fish by other wildlife

Foam is characteristic of golden alga bloom when water is agitated.
Foam is characteristic of golden alga bloom when water is agitated.

More foam
More foam

foam up close
foam up close

Foaming
Foaming

Freshwater drum. Appearance of dying fish during bloom conditions January 2001.
Freshwater drum. Appearance of dying fish during bloom conditions January 2001.

Largemouth bass. Appearance of gills of dying fish during bloom conditions January 2001. Lake Possum Kingdom.
Largemouth bass. Appearance of gills of dying fish during bloom conditions January 2001. Lake Possum Kingdom.

Bloody gills
Bloody gills

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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 TCEQ and other entities to produce a golden alga information card(pdf document). The purpose of this card is to educate the public on golden alga blooms and answer some common questions. Hard copies of this card are available for free by contacting 512 389-8750.

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