Electropositive shark repellent Atlantic longlining vessels in 2008. As expected, teleosts (bony fish) are not repelled by the electropositive metal’s cation liberation in seawater. This is because teleosts lack the ampullae of Lorenzini. Teleost response was confirmed using captive Cobia ("Rachycentron canadum") and Pacific halibut ("Hippoglossus stenolepis"). In July 2008 swordfish ("Xiphias gladius") catch was reported on experimental hooks treated with electropositive metal. As with all shark repellents, 100% effectiveness will not be achieved with electropositive metals. The metals are particularly effective when the shark is relying on its electrosense. It is likely that electropositive metals are ineffective for deliberately stimulated (chummed) sharks,
Latin Grammy Award for Best Grupero Album Latin Grammy Award for Best Grupero Album The Latin Grammy Award for Best Grupero Album was first handed to Los Temerarios during the 1st Latin Grammy Awards ceremony which took place at the Staples Center in Los Angeles, California under the name of Best Grupero Performance. In 2002 it was named Best Grupero Album and was last handed out in 2009 to group Caballo Dorado. The male "Grupero artist" with the most wins and nominations is Joan Sebastian, with two nominations and both wins. The female "Grupero artist" with the most nominations and wins is Ana Bárbara, with 4 nominations