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.
Basket-balls range in size from 28.5-30 in (72-76 cm) in circumference, and in weight from 18-22 oz (510-624 g). For players below the high school level, a smaller ball is used, but the ball in men's games measures 29.5-30 in (75-76 cm) in circumference, and a women's ball is 28.5-29 in (72-74 cm) in circumference.