The WWF Coral Triangle Global Initiative has set out to tag adult yellowfin tunas in the waters of Mindoro Occidental, in the Philippines. The site is some 100 km off the western seaboard of Mindoro and is a known area with juvenile tunas but has not been previously studied.
Date and Time of Tagging: Oct 20, 2012; 0415 hours
Approx Weight: ~ 50k
Date of Recapture: Novermber 4, 2012
Days at Liberty: 23 days
Remarks: This tuna was recaptured some 30 nautical miles from point of release with the tag still on. The recovery of this tag allowed the data in its archive to be recovered in full detail. When sold, the actual weight of the fish is 47 kg. The tagging wound has not completely healed.
Date and Time of Tagging: 0400 hrs; November 11, 2012
Approx Weight: ~60 kg
Date of Popup: January 4, 2013
Days at Liberty: 62 days
Remarks: This tuna was very active while being hauled. It took 3 attempts to put the tag. This tuna started sending its data east of Spratly Islands, West Philippine Sea. The geolocations need to be corrected and readjusted southward.