GrayFishTag Research (GFR) Tags are provided to participating professional charter fishing captains and mates for free. When an angler catches a fish it is tagged and released. The angler can then name the fish and the details of the capture are recorded on a tag registration card with the corresponding tag id. The card is then returned to GFR, or the Tag information can be recorded on this very website at any time.
When a tagged fish is recaptured and GFR is notified, the catch information is analyzed against the original tag and release information. Complete details of the catch, including the straight-line distance the fish traveled and its growth along with a Tag Recapture Certificate are sent to the anglers who recaptured it. The anglers who first tagged the fish will also receive the new information about the recapture.
By observing and measuring the distance and direction traveled between tagging and recapture it will provide scientists with valuable information on migration patterns, fish stocks, growth rates and much more. Environmental factors will be considered as well.
The observations also enable researchers to study the structure of fish stocks, and assess whether there is any mixing between populations that are geographically distant from one another. This information is vital to improve the understanding and management of valuable game and sport fish species and will help sustain our fisheries for our future generations.