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Salinity tolerance of grass carp and silver carp during egg and early larval stages

Published by U.S. Geological Survey | Department of the Interior | Catalog Last Checked: May 05, 2026 at 10:10 PM | Dataset Last Updated: May 20, 2024 at 12:00 AM
We tested salinity tolerance of grass carp and silver carp eggs and larvae during two phases of development – pre-gas bladder inflation and post gas bladder inflation to the development of the second gas bladder chamber, using 6 different salinity concentrations ranging from 0 to 36 ppt. Growth and developmental rates were also observed after exposure. After the initiation of horizontal swimming, grass carp larvae were tested in a Y-maze to assess any preferences for salinity levels.

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