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Regarding this, how do jellyfish see?

Jellyfish have very simple bodies -- they don't have bones, a brain or a heart. To see light, detect smells and orient themselves, they have rudimentary sensory nerves at the base of their tentacles.

Subsequently, question is, can Jellyfish feel pain? Usually, jellyfish stings will hurt, but are not emergencies. Most cause pain, red marks, itching, numbness, or tingling.

Herein, are jellyfish self aware?

For example, jellyfish do have a flight response–they move away from things that damage them, and they can move towards things that they like—like food. Do these behaviors mean jellyfish are self-aware? They don't have any type of 'centralized' nervous system.

Are jellyfish smart?

Jellyfish are not very smart. “They have very simple sensory organs, and no brain to process any information,” says marine biologist Stein Kaartvedt. Though jellyfish are often found in dense, stinging hordes, they're not typically thought of as social animals.