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May 24, 2019 at 20:35 comment added awsirkis @Lostinfrance Fish skin is fairly impermeable to water (it was a replacement for other leather during WWII). What gets you is that the structure of scales is meant to come off fairly easily if it has to. Fish are constantly producing more scales as well as mucus, similar to humans always producing more skin cells for our epidermis
May 3, 2019 at 19:34 comment added John wood lasts for centuries underwater, as long as it is not attacked by shipworms, not everything dissolves underwater.
Dec 4, 2015 at 15:01 comment added DraxDomax @Lostinfrance The sea is very corrosive. Living things, like fish, have to keep secreting mucus and have to grow scales and constantly resupply the epidermis with new cells. I am not against fish wearing clothes, I just think it depends on the "childishness" of the world you are trying to build and you don't seem childish to me.
Dec 4, 2015 at 13:23 comment added Lostinfrance "And what's this talk about fish skin? dead biological matter gets dissolved in moving salt water in days." I'm unfamiliar with this subject so this might be a stupid question, but in that case how come living fish don't dissolve? I'd have thought that what breaks down dead biological matter in the sea is that scavengers eat it, rather than it dissolves per se. And as I said in my answer, I'd have guessed that fish skin has to be fairly impermeable for it to work as skin! Open to correction, though.
Dec 4, 2015 at 10:20 history answered DraxDomax CC BY-SA 3.0