Anglers from Spain, the US, Puerto Rico and the Dominican Republic are participating in the First International Fishing Tournament sponsored by Texaco and Grupo Punta Cana at the Marina Punta Cana. The event opens today at 4 pm. Anglers will fish under the rules of the International Game and Fishing Association (IGFA) that establishes that, with the exception of blue marlins, all captured fish must be set free.