Data and code from: Keeping pace: Migrating sea lampreys adjust swim speed in response to shifting water velocity to maintain a constant ground speed
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Upstream migrating fish must balance energetic costs with environmental and ecological constraints. Theoretical models predict that fish can conserve energy by adjusting swim speed in response to changing water velocity, but detailed field tests of these predictions remain rare. We used fine-scale acoustic telemetry and hydrodynamic modeling to track adult sea lamprey (Petromyzon marinus) migrating through a river and evaluated how movement speeds varied with environmental conditions and individual traits. Swim speed increased with faster water velocities, while ground speed remained constant, supporting the hypothesis that lampreys regulate swim effort to maintain a fixed migration pace. The average ground speed aligned with a predicted optimum of ~1 body length per second. Both swim and ground speeds declined slightly in deeper water, suggesting a trade-off between movement efficiency and predator avoidance. These findings provide field-based support for a theoretical model of energy ..., , This readme file was generated on 2025-10-03 by K. Griffin
# GENERAL INFORMATION
* Title of Dataset: Data Archive for Keeping pace: migrating sea lampreys adjust swim speed in response to shifting water velocity to maintain a constant ground speed
## Author Information
Name: Kandace R. Griffin\
ORCID: 0000-0003-3325-3779\
Institution: Michigan State University\
Email 1: [griff665@msu.edu](mailto:griff665@msu.edu)\
Email 2: [kandacegriffin@gmail.com](mailto:kandacegriffin@gmail.com)
## Principle Investigator Information
Name: C. Michael Wagner\
ORCID: 0000-0003-1929-1509\
Institution: Michigan State University\
Email: [mwagner@msu.edu](mailto:mwagner@msu.edu)
* Date of data collection: 21 May - 11 June 2021
* Geographic location of data collection: Whitehall, Michigan, USA
* Information about funding sources that supported the collection of the data: Great Lakes Fishery Commission: `2018_WAG_54070` and `2013_BIN_44024` Great Lakes Restoration Initiative Grant ID `#GL-00E23010`
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创建时间：
2026-03-10
