Cannonball Jellyfish

The cabbage head jellyfish, commonly referred to as the Cannonball Jellyfish (Stomolophus Meleagris), is a species of jellyfish in the Stomolophidae family. Its common name comes from the fact that it resembles a cannonball in terms of size and shape. Its bell, which has a dome form and a diameter of up to 25 cm (10 inches), can occasionally have brown pigment applied to the rim in the Atlantic and Gulf of Mexico. This jellyfish can also have blue pigment in the Pacific. There is a collection of oral arms under the body that surrounds the mouth. These limbs serve as a means of propulsion and a tool for grabbing prey.

Cannonballs are prominent from North America's eastern seaboard all the way to Brazil but are also found in parts of the Pacific. Cannonballs primarily consume all varieties of red drum larvae as well as zooplankton like veligers. They coexist together with the large spider crab, which also consumes the tiny zooplankton. The crab consumes both the cannonball-captured prey and the medusae of the jellyfish as food.