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V7D / V7DT 69-kHz Predation Tag



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Detect if your tagged fish has been eaten by a predator!


Take the guesswork out of predator prey interaction with the V7D/V7DT Predation Tag


VEMCO predation tags permit exploration of novel questions and important research while increasing the certainty with which researchers can interpret their telemetry results.

The predation tag provides a direct measure of digestion wherein stomach acids digest a polymer. It is a superior technique to using indirect measures of activity such as acceleration.

Temperature Sensor Option Available
If the tag includes a temperature sensor (V7DT), the tag will also transmit the ambient temperature leading up to the predation event. The temperature that was measured at the time of predation will then be transmitted for the remainder of the tag’s life.

For more information, download the V7D / V7DT Predation Transmitter datasheet.

For proper handling, please read the Sensor Tag Handling and Disinfection Procedure.

U.S. Patent No. 9,526,228
U.S. Patent No. 9,095,122 B2
European Patent No. 3,114,185
China Patent No. 2015 8001 2483.X


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Key Features

  •  Validate mark recapture survival models
  •  Separate predation mortality from natural mortality
  •  Investigate predator-prey behaviour
  •  Investigate impacts of invasive predators on native species
  •  Study trophic energy transfer on reefs
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