Tagging Techniques:  CWT-Tags - Coded Wire Tags



CWT and enlargement






These kind of tags are usually being inserted into the fish head in the area of the nose. They are mostly invisible, but can be read out with a special scanning device.   

This makes fish individually identifiable.


Report tagged fish...


Looking for Coded Wire Tags    Quelle : 

Scanning a steelhead trout for a tag with a coded wire.


Known applications - do you know others? Please give notice to: mail[at]

 CWT Orte