Rugby in Cardiff Welsh international Jamie Roberts. Another side, Cardiff Internationals Athletic Club normally shortened to CIACS (pronounced "kayaks") were formed in the docks area of the city, known as Tiger Bay in 1946. CIACS has always reflected the multicultural nature of the docks area, hence the name Cardiff Internationals. The club is best known for having produced Billy Boston, who went on to become a rugby league footballer in the 1950s. The club represents the Grangetown, Cardiff Bay, Butetown and the Docks areas. There are many other recreational non-affiliated sides playing in the city, including Cardiff Bus RFC, players being employees of
Cardiff Bay Barrage 85% to 78% as a result of lower levels of winter survival. The freshwater lake had problems with blue-green algae initially which made it impossible to swim in the water or participate in water sports. These issues have now largely been resolved though some toxic algae remain in some of the dock areas in the bay. Cardiff Bay has become the first area of freshwater in Wales to be infested with zebra mussels – an alien species to the UK which multiplies rapidly to the detriment of native marine life. The Cardiff Harbour Authority has decreed that "Personal watercraft" used