COBIA (Rachycentron canadum)

primers. The dendrogram was constructed and drawn using MEGA software package version 4.Based on the analysis of molecular variance, the highest F st (0.063) was observed when comparingspecimens from Dayer Port and Pozm zones. Significant differences (P0.05). Rachycentron canadum achieved stage 3 anaesthesia more rapidly at a lower clove oilconcentration level (40 mg L -1 , 10 min) than TMS (60 mg L -1 , 10 min), but the recovery period ofclove oil, was significantly longer. Clove oil was the most effective in reducing the short-term stressinduced by routine biometry (20 mg L -1 , 10 min) and also by transporting (1 mg L -1 , 8 h). Whereas,for long-term exposure, 40 mg L -1 TMS was found to be safe.36. Hendon, J.R., Franks, J.S. & Fulford, R.S. (2008). Seasonal movements and migratory patternsof cobia in coastal waters of the Southeastern United States. Proceedings of the Gulf and CaribbeanFisheries Institute. 60, 645.The cobia, Rachycentron canadum, is a coastal pelagic species that supports both recreational andcommercial fisheries in the southeastern United States. Cobia exhibit seasonal migrations in theGulf of Mexico and along the U.S. Atlantic coast, but the extent to which those fish migrate is notwell-documented. This study was conducted to determine the seasonal movements and migratorybehavior of cobia in southeastern U.S. waters in order to develop information pertinent to effectiveregional management of the cobia fishery. From 1988 through July 2007, participants in an anglercooperativeresearch program tagged and released 15,003 cobia ranging from Gulf waters off Texasto Atlantic waters off Virginia, and 962 (6.4%) of those fish were recaptured. Data indicate ageneral migratory trend of cobia over-wintering in south Florida coastal waters, followed bynortherly movement in late winter and early spring along both coasts of the Florida Peninsula tospawning grounds in northern Gulf and central U.S. Atlantic coastal waters. A subsequent return tosouth Florida waters in late fall was common. Results of this research support the regional scale ofcobia management currently implemented by the Gulf of Mexico and South Atlantic FisheryManagement Councils.10