The tentacles are attached above the lobed margin of the bell with usually a gastric pouch above each.

They do this by holding their tentacles perpendicular to the direction they are swimming to cover a larger area.

If something is caught they bend the tentacle inwards and coil them at the tips to their mouths.

[4][5] Narcomedusae are hermaphroditic, meaning that they have both male and female reproductive organs.

These jellyfish have tentacles that are solid that curve upwards into the mesoglea above the stomach.