A new “Fitbit” for fish spills secret life of fish

Lab-on-a-Fish uses multiple sensors to wirelessly track location, heartbeat, tail movement, and even temperature of the surrounding environment.
(Graphic by Michael Perkins | Pacific Northwest National Laboratory)

Read the full story from Pacific Northwest National Laboratory.

A new fitness tracker that’s very much like a ‘Fitbit for fish’ is revealing new information about fish health and behavior. The first-of-its-kind device uses multiple sensors to wirelessly track what a fish experiences in real-time.

“The Lab-on-a-Fish offers something needed in conservation and aquaculture—a cost-effective way to monitor fish health and behavior,” said Daniel Deng, a Lab Fellow and mechanical engineer at Pacific Northwest National Laboratory (PNNL) whose sensor development team collaborated with the battery team lead by Jie Xiao, a Laboratory fellow and chemist.

The device, a type of biosensor, can simultaneously collect data about a fish, including its location, heartbeat, tail movement, and burned calories, as well as the temperature, pressure, and magnetic field of its surrounding environment. This information can help scientists and managers understand the impact of climate change and infrastructure development on ecosystem health and, in turn, inform future management and conservation strategies.

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