Pacific Swimming is seeing a merger between two powerhouse programs as the Crow Canyon Sharks have merged into the Pleasanton Seahawks. Stock photo via Pleasanton Seahawks. Pacific Swimming is seeing a merger between two powerhouse programs as the Crow Canyon Sharks have merged into the Pleasanton Seahawks. The clubs, which are located about 11 miles apart from each other, are in Danville and Pleasanton, CA, which is in the Bay area, East of San Francisco and North of San Jose…