Study on the Quality of Elastomeric Liquid tags on The Juvenile of Released Green Tiger Prawn ( Penaeus semisulcatus ) in the Northern Persian Gulf, Bushehr Waters

The present study was carried out in the Research Station in Bandargah and Abzistan Shrimp Hatchery Company in Delvar (Bushehr province) from February 2011 to Jun 2012. The main objective of the research was quality evaluation of injected tags on the juveniles of released Penaeus
semisulcatus in Bushehr waters. Wild adult shrimps were captured from the Bushehr waters and cultured in the Bandargah Research Station. Juvenile green tiger prawns (1 g) were marked by florescent elastomeric and blue color liquid injection. Injections were made just beneath the skin tissue along a straight path several millimeters long using a syringe with standard insulin 1cc syringe. In Bandargah Research Station, 90 marked prawns by florescent elastomeric were held in the 3 fiberglass tanks (30 l). In Abzistan Shrimp Hatchery Company, 180 marked prawns by florescent elastomeric and blue color were held in 6 fiberglass tanks. Environmental condition controlled for all samples and injected tags condition was recorded in different times. The results of the study show that the qualities of the tags were reduced after two weeks. Both of the used liquid tags were moved in the body tissue of prawns after three weeks. This can make negative effect on the recapture of tagged shrimps and economical evaluation.