Threatened sturgeon learns for the fitness

An international team led by IGB is providing one of the first proofs of the complex learning behaviour of fish in a recent study. The Atlantic sturgeon is considered extinct in Germany. The IGB is coordinating the reintroduction ...

Upper Mississippi River commercial fishery is sustainable

Commercial fishing along the Upper Mississippi River has been sustainable over the past 60 years and hasn't negatively influenced fish populations or recreational fisheries, according to a University of Idaho-led study published ...

Yangtze dams put endangered sturgeon's future in doubt

Before the damming of the Yangtze River in 1981, Chinese sturgeon swam freely each summer one after another into the river's mouth, continuing upriver while fasting all along the way. They bred in the upper spawning ground ...

Closing the loop on sustainable aquaculture

On a farm just outside of Sacramento, hundreds of prehistoric-looking fish swim around in 50-foot diameter tanks. These are white sturgeon, the largest freshwater fish in North America. They've been around since dinosaurs, ...

The Atlantic sturgeon's sojourn

Atlantic sturgeon that summer in Maine's Penobscot River estuary can be found in the fall and winter in waters as far away as Nova Scotia and New York City, according to a seven-year University of Maine study of the fish ...

Identifying species from a single caviar egg

A new tool enables identification of high-end caviar from Beluga sturgeons by analyzing DNA from a single caviar, a development that helps ensure the fair international trade of caviar and contributes to conservation of the ...

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