Just a small note, some fish have bioluminescence to attract prey.
Sea devils have a bioluminescent lure stalk sticking up off their dorsal side, for example. Wouldn't be too hard to say some naga if not all naga have something like this, as a reason to give them lightsources.
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Having
satellite internet is a lot like relying on the processes described in those RFC's for your internet. Except, instead of needing to worry about statues interrupting your connection, this time you worry about the weather. I have satellite internet. Fun, no?