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RttS: Mermaid and Dragon GMH (Patreon)

Published:
2021-12-05 04:39:17
Edited:
2021-12-05 10:11:55
Imported:
2022-06

Content

Thinking about aquatic/patagium winged GMH. I'm probably gonna change the teenager who appears in the comic WIP I posted recently to a cetacean type mermaid like this (sorry for being a mammal apologist). The dragon guy I was drawing while trying to think of how someone with a patagium wing could wear clothes. I think four piercings would make it easier.

There's a bunch of ethical laws about what shapes you can make humans in RttS, and a lot of political fighting about whether it should remain legal at all. The (abbreviated) rules are: GMH must have five fingered humanoid hands, must be able to walk freely with those hands off the ground, must have a humanoid skull, must fit in human spaces, must be able to speak human languages, must have unaffected human cognition, and must have baseline human senses. 

This doesn't prevent unexpected results, and some GMH are produced with legally defined flaws (e.g. Gillie, Guiomar). Enforcement has been made intentionally troublesome by the lobbyists of the companies responsible for GMH creation, culpability for off-model and dysfunctional GMH has been carefully diffused out into a muddle company departments, natal labs, gene engineers, lab workers, commissioning parents, and etc. Untangling that kind of ethical snarl is part of the work Guiomar does as a lawyer.

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Comments

Voligne
>>73124938

Put the gills at the top of the chest so that the circulation hooks right in to the lungs and you can just dump the oxygenated blood right where it would normally go. Least amount of mod work in my opinion.

Voligne

Are there human social groups that decide to attempt to push the boundaries of what is possible anyway? Such as radical divergence from the human form? Or even away from human cognition? The only barrier I can see is that you might need a lot of trial and error and that would involve a lot of human suffering.

Anonymous

OOOOUGHHHH YES

Anonymous

Will this level of modification ever be possible to post-natal biomodders? How far away is that tech?

Anonymous

They should breathe water through their butts like turtles do

Simone Spinozzi

Hmmm... gills are normally under the jaw in fishes because that is the optimal placement of a viscous fluid like water so that it offers the least resistance and it gets to "doing what needs done" fast. The "gills on the chest" kind of deal is in case you want the mermaid to also function as land beings, then once on land those same systems that allow them to "breathe water" would allow them to breathe air. In which case the biggest change would be in how the throat and neck works for in humans the biggest "channel" is for food as air offers little resistance and is almost non-viscous. In a mermaid with chest gills the biggest channels down the throat would be for water. So it could work like with fishes where the human epiglottis is missing and you have several "blinds"-like structures over the gills exits (known as "gill plates") and there is is a "funnel" which <i><u>also</u></i> leads to the gills (this is a very generalist thing here, so pardon the good old "let's approximate horses with spheres" tone of the discussion) and fishes like a manta ray are particularly helpful here, due to their mouth being constantly open and also very shallow: https://images.squarespace-cdn.com/content/v1/54b744ebe4b0b5bb4bdda3cc/1421928273555-TRZOIBED21VBQI0SAW44/16%23Best+Manta+Mouth+10%C2%A9LiquidHawaii.com.jpg?format=original while a whale shark is... less so https://media.mehrnews.com/d/2017/07/24/4/2523054.jpg because aside from the "epiglottis functionally equivalent structure that looks like blinds" that protects the gills (aka the aforementioned "gill plates") being very dark colored in sharks their esophagus is very far back so it is hard to see. Aaand this means that if you want to keep them looking human... uhm... their neck would be a flappy almost empty thing so i suppose most of the structures for blood and muscles would need to be solely in the back. For my characters with this kind of situation i sidestepped it with "yeah it makes no sense, but i like the looks so artistic liberties were taken" or "they are robots to actually the head is not where the central processing happens and it just hosts the cameras and what little is needed to convey facial expressions. In an organism, you need the brain very close to the eyes, or the eyes would *not* be its primary senses, like it happens with humans. Given how organisms works unless you do some weird shenanigans the "data transfer" of the kind of large amount of "data" that eyes deal with needs to be almost in contact with the brain. Even at the small distance that separates our eyes from the brain we always live 1/5th of a second in the past compared to what we see... and the only reason why we are so capable of "still living in the present" is due to our brain's incredible capability of predicting patterns. (which... is also why we have stuff like xenophobia and similar things... predicting patterns let us live, predicting patterns kill us. 😓) So, if the brain is all in the head to allow the person to use face-placed eyes... something has to give. The average human head is about 5 or 6 kilograms, that includes about a kilogram and an half of brain matter and 3 kg of skull plus "everything else". The brain could be split to lessen the weight on the head due to brain and brain protection given by the skull. But then we would have to ... uh ... redesign the brain and that's a can of worms i am not willing to take. Or "the head structure" has to have next to no human-like levels of flexible mobility (just looking up and down) and any head turning has to be done with the bust. (I'm just remembered right now an old episode of he-man where "ram-man" tries to explain how he can do stuff like looking around without a neck, but he is dumb so the writers just tell us he does not really know either 😂👍💖 he says "welll if i have to i just turn with all the bust"). The human ability to turn head side to side has to be given up if you want a fish-like gill structure in the "lungs" as you will need to be able to "look up" when swimming to "clear the pathway" to the lungs as you want that as unobstructed as possible. Once in the air you can look "down" (or "forward" for a bipedal structure) due to the far less viscous air. so obstructing the neck pathway is far less of a problem. You would probably see mermaids "looking up" when eating for their personal comfort as otherwise the neck has to be folded, and mermaids that learned to eat like humans while on land would be looked at all starry eyed by other mermaids as being incredible for being able to eat like that. You can't have a neck structure like the birds what allows both to look up and down and also turn the head due to the weight imposed by a human-like brain and skull. so the other option would be to... make the skull super-light and use a different way to keep the brain together. The human brain is currently held together mainly by fat-like structures which double as energy reserves due to the extremely high and very constant energy consumption of a brain. This also lowers its density below that of water, to counter the skull's density Unless we want to reinvent that system then it's the skull that has to be made lighter. And there are several systems, which mostly boil down to "lots more marrow" and "give up point-point protection" for "more cartilage and same structural overall protection" which means a needle could puncture a mermaid brain but smashing your head on a wall would have the same results for humans and mermaids. Basically the skull becomes a lattice of hyper-dense and structurally important beams, but loses the overall "your skull has full on protection" visual feel. with the interstitial spaces held together by cartilage and marrow and fluid sacks. You could (in theory) cut down the skull weight up to 1 kg if you do that. Needless to say the skull would be more fragile and you would see a lot more skull practures (that would be far less grievous than human ones). But it would still be "good enough" for 90 to 95% of the collisions a human brain could sustain. I would still go with the "the neck is nearly solid and the only allowed movement is looking up and down" because it is the one that allows for the least amount of "changes to make" over the human template. On a "you can look only up and down" kind of deal throat folding when looking forward on a bipedal gait (which given the above i believe would be akin to a penguin's gait) would be far less cumbersome as you *could* have dedicated structures just for the throat folding, instead of a "we stretch and collapse this whole section of the neck" which would lead to old people having bloated and saggy, floppy necks, kind of like a pelican, and it would allow these people to have a tongue like humans do. On a "the whole neck can turn around and do stuff"... yeah there is no way to also have a tongue up there, which would limit a lot of the understanding between people as it would add an extra layer of "uncanny valley" those mermaids would fall into. Anyways... i .... uh... spend 45 minutes on this post and i need to get back to work. 😅

Simone Spinozzi

Side note: live the stylistic ideas of getting a piercing for clothing with a patagium, it is something that reminds me of the good old Hadozee from D&amp;D 2e. Same thing for the mermaid swimsuit. Looks great! ❤️

Anonymous

i personally like gills on ribs or abdomen! they're closer to the lungs (though this may not be necessary) and have more surface area than those on the neck.

Anonymous

Would having flexible magnetic strips in the clothes be better then piercings? I fear for when their clothes get caught on things.

Anonymous

would cetacean GMHs even need to have gills? they are mammals, after all

Jay Eaton
>>73919960

My thought is that if you're gonna edit a human's genes to optimize them for swimming, you might as well throw water-breathing in there too.