This photo was taken in 2011 at AQWA Aquarium in Perth, Australia. Pictured is a moon jellyfish, a common jellyfish belonging to the genus Aurelia. Ten species, including the moon jellyfish, in the genus Aurelia are so similar that it is impossible to identify differences without genetic sampling. Moon jellyfish lack respiratory, excretory, and circulatory systems. They feed on plankton, using their tentacles to trap and paralyze the small animals while small cilia move the food into the jellyfish's gastrovascular cavity. Little is known about the vitamin requirements of jellyfish, but since they produce digestive enzymes it is reasoned that they can process fats, carbohydrates, and proteins just as most animals can.
Wednesday, March 2, 2011
Moon Jellyfish
This photo was taken in 2011 at AQWA Aquarium in Perth, Australia. Pictured is a moon jellyfish, a common jellyfish belonging to the genus Aurelia. Ten species, including the moon jellyfish, in the genus Aurelia are so similar that it is impossible to identify differences without genetic sampling. Moon jellyfish lack respiratory, excretory, and circulatory systems. They feed on plankton, using their tentacles to trap and paralyze the small animals while small cilia move the food into the jellyfish's gastrovascular cavity. Little is known about the vitamin requirements of jellyfish, but since they produce digestive enzymes it is reasoned that they can process fats, carbohydrates, and proteins just as most animals can.
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