1. Members of this family are characterized by their thick, sausage-like oral arms . 2. Oral arms characterize Semaeostomeae, an order of large jellyfish.3. The oral arms begin digestion as they transport the prey into the sea nettle s mouth. 4. Some genera, such as " Cassiopea ", even have additional, smaller mouths in the oral arms . 5. These organisms have a well-developed manubrium, a proboscis-like structure bearing the mouth and four long oral arms . 6. Instead, Big Red has four to seven short, thick, so-called oral arms that may be used for feeding. 7. Fluid flows over clusters of mouthlets near the base of the oral arm disk in the centre of the cylinder. 8. The long, spiraling, white oral arms and the 24 undulating maroon tentacles may trail behind as far as 15 feet. 9. Medusae often trap prey or suspended food particles by swimming upwards, spreading their tentacles and oral arms and then sinking. 10. The food was grasped by the lip of one of the oral arm and transported slowly along until it reached the stomach.
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