injured jellyfish fuse together into one organism

Honestly, all this says to me is how basic and simplistic a form of life they are. Makes them seem more like bacteria or amoeba than anything else
 
Honestly, all this says to me is how basic and simplistic a form of life they are. Makes them seem more like bacteria or amoeba than anything else
They have nerve nets.

This means new synapses grow between the two brains.
 
These are interesting creatures. Check this out:

In addition there is a less organized mesogleal nerve net consisting of single neurites. The largest single sensory feature is the aboral organ (at the opposite end from the mouth), which is underlined with its own nerve net. This organ's main component is a statocyst, a balance sensor consisting of a statolith, a tiny grain of calcium carbonate, supported on four bundles of cilia, called "balancers", that sense its orientation. The statocyst is protected by a transparent dome made of long, immobile cilia. A ctenophore does not automatically try to keep the statolith resting equally on all the balancers. Instead, its response is determined by the animal's "mood", in other words, the overall state of the nervous system. For example, if a ctenophore with trailing tentacles captures prey, it will often put some comb rows into reverse, spinning the mouth towards the prey.
 

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