Acoustic fish tag, c 1976.

Acoustic fish tag, c 1976.
Acoustic tags allow fish to be identified and tracked for relatively long periods, to show how they respond to environmental phenomena such as tides. Tags comprise a receiver and transmitter which returns the sonar signal to the tracking ship. The tag is attached to the fish by a thread and a conventional tag.
 
Currently on display in:
Year made :
1976
Inventory number :
1977-35
 
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