Shrimp mainly feed on algae and other plant particles along with tiny fish and plankton in the water. One species of shrimp is known to stun it's prey before eating it by making a loud noise with one of it's claws, that makes a snapping sound through the water.
Here is a chart from breakthroughbasketball.com. Hope it helps! Men's Basketball: 22 ouncess. Women's Ball: 20 ounces. Youth Ball: 17 ounces. Size 4: 14 ounces. Another Size 4: 11 ounce. Mini Ball: 10 ounces.
Basketballs come in several sizes. Using the correct size can help prevent injury. Size 3: circumference 22 to 22.5 inches, weight 10-11 ounces, recommended for small children. Size 5: circumference 27.25 to 27.75 inches, weight 16.6-18 ounces recommended for boys and girls under 12 years old (junior league).