fun quagma fact number Un-Thirteen: sometimes, moon jellyfish have mutations that give them five or more gonads, instead of their usual four. The gonads are what give the moon jellyfish their distinctive "moons" seen through their translucent bells.
Fun cephalopod fact of the day: the nautilus is the only cephalopod with an external shell. Adult shells can have up to 30 chambers, the living space in its shell that is connected to older chambers as it grows.
the humble octopus has three hearts. squid have donut shaped brains, through which their digestive tract runs. a large meal can give a squid brain damage. cuttlefish have W shaped pupils to balance out light conditions.


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