What is a seven a side ball game played in water?

The seven-a-side ball game played in water is known as Water Polo. It is a team sport that combines elements of swimming, soccer, and Basketball, where two teams of seven players each aim to score goals by throwing a ball into the opposing team's net. Players must tread water or swim while maneuvering the ball, making it a physically demanding game. Water polo is typically played in a deep pool, and matches consist of four quarters.