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Images

Multimedia related to the Species Management Research Program are shown below. Click on an image to see a larger view and additional details.

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People on boats releasing larva into the water.
Larval Release
Larval Release
Larval Release

Simultaneous mass release of 700,000 free embryos from boats distributed across the channel of the Upper Missouri River.

Simultaneous mass release of 700,000 free embryos from boats distributed across the channel of the Upper Missouri River.

Scientists on a boat preparing a dye study
Dye Preparation
Dye Preparation
Dye Preparation

USGS scientists prepare to mix rhodamine-WT dye for the dye trace experiment.  The suits are to keep the harmless dye off of clothing.

USGS scientists prepare to mix rhodamine-WT dye for the dye trace experiment.  The suits are to keep the harmless dye off of clothing.

Macro photo of a pallid sturgeon embryo
Pallid Sturgeon Embryo
Pallid Sturgeon Embryo
Pallid Sturgeon Embryo

Macro photo of a developing pallid sturgeon embryo. Developing embryo appears light gray

Macro photo of a developing pallid sturgeon embryo. Developing embryo appears light gray

Mother grizzly and cub at Gibbon River, Yellowstone National Park.
Mother grizzly and cub at Gibbon River, Yellowstone National Park
Mother grizzly and cub at Gibbon River, Yellowstone National Park
Mother grizzly and cub at Gibbon River, Yellowstone National Park

A USGS grizzly bear researcher snapped this picture of a mother grizzly bear and her cub in Yellowstone National Park. Adult females are the most important segment of the grizzly bear populations because they are the reproductive engine.

A USGS grizzly bear researcher snapped this picture of a mother grizzly bear and her cub in Yellowstone National Park. Adult females are the most important segment of the grizzly bear populations because they are the reproductive engine.