http://evolutionofsystems.weebly.com/cnidaria.html "The immune system of a jellyfish is really just based on defending itself from other predators. read more
"The immune system of a jellyfish is really just based on defending itself from other predators. When it is attacked, stinging threads uncoil quickly from its tentacles when it makes contact with another object. This reaction then spreads to the rest of the same tentacle making contact with the other object. read more
All fish have an immune system to fight diseases, although the system is by no means as advanced as the ones found in mammals. read more
The immune system of a jellyfish is really just based on defending itself from other predators. When it is attacked, stinging threads uncoil quickly from its tentacles when it makes contact with another object. read more