Questions tagged [anatomy]

For questions about the physical structure of an organism.

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Emotive Plate Eyes

Drawings included to better illustrate what‘s going on here. Also because I’m utterly addicted to doodling lately. I recently learned about the Grideye Fish, and it inspired a design for a sci-if ...
Other Worlds's user avatar
1 vote
2 answers
182 views

What can make a person who was not born mute go mute over a single night? [closed]

My character is a person who was not born mute. He could talk until the age of 26 until something happens and he loses his ability to talk itself. Can anything like an accident cause permanent ...
Rui's user avatar
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-4 votes
2 answers
199 views

Can a clone be of the same age as the original [closed]

If I clone a 50 year old what are the ways I can get a 50 year old clone ?
sutirtha soor's user avatar
3 votes
2 answers
98 views

Melusine/Two-tailed Merfolk’s Dual Mobility, Land and Sea

Most people know about the famous Starbuck’s mermaid and her bizarre two tails. Starbuck's Logo However, few know that her origins actually harken back to very old depictions of mermaids that can be ...
Thunderhammer's user avatar
1 vote
1 answer
113 views

How large and tall can a bipedal, upright standing, mostly herbivorous therapod get? [duplicate]

I was originally gonna post this as one question with my previous one, but since these are two different topics I've decided to split them. Previous question: What is the best Foot shape for a Bidepal ...
TheGoldenBoy2188 The Coolest G's user avatar
5 votes
2 answers
408 views

What is the best Foot shape for a Bidepal uprighting standing dinosaur?

I'm working on a idea for a Gojirasaurus/Godzillasaurus species of dinosaur (a fictional dinosaur that was the dinosaur that would eventually become Godzilla due to the effects of radiation.) The ...
TheGoldenBoy2188 The Coolest G's user avatar
4 votes
5 answers
1k views

Is this a realistic evolution for a flatworm-like species?

I have made two simple diagrams, each detailing the difference between two of my genuses (yes this is on purpose); Kuroribranch and Ennapoda. Kuroribranch is extremely similar to an Earth flatworm. ...
AxobitMelodies's user avatar
2 votes
3 answers
257 views

Question about speculative human biology

What kind of evolutions would humanity have to undergo to be able to live comfortably on the moon or any other sufficently low-mass body? As I am aware that it can be bad for bones and the ...
DanceroftheStars's user avatar
3 votes
3 answers
182 views

Dragon's body proportion: eye size to body length [closed]

A classic dragon shape, eg Smaug, approximately 6 km length from nose to tail with similar wingspan. Ignore square cube rule due to magic and also neglect gravity as its native habitat is space. Eyes ...
mynci's user avatar
  • 47
3 votes
2 answers
1k views

How would a naga swim underwater? [closed]

Naga is a mix of a human torso and the lower body of a serpent. With this combination, how would they move when they swim?
ariel ivory's user avatar
8 votes
6 answers
2k views

Where should an electric organ go in a human

In my story with magic based around the manipulation of electromagnetism, I need the characters to have a hand-wave electric organ. This electric organ is about 10 cm per organ with the capacity to ...
I like lightning 's user avatar
0 votes
2 answers
121 views

How could my organism lose most of its water?

I'm writing a short hard-science story about an organism that loses most of its water much like tardigrades before entering dormancy but this organism is the size of a cat, how could I explain this ...
Z Z's user avatar
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3 votes
5 answers
338 views

How would a creatures brain anatomy evolve to avoid brain damage?

I’m trying to create a horned creature that uses its head to head-butt much like a ram, but I’m curious about what kind of evolutionary trait would need to come about to greatly reduce the chance for ...
Bija's user avatar
  • 51
1 vote
4 answers
175 views

How would a species without optical vision navigate a spaceship? [duplicate]

I wanted to create an alien species with an interstellar civilization, but the twist is that they never developed eyes, due to evolving on a planet far enough away from its star that it’s shrouded in ...
Daikyu Maryu's user avatar
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5 votes
6 answers
1k views

Eyes that aren’t spheres: possibilities? [duplicate]

I have a sci-fi-like universe and one of the species has long, vertical eyes. But would this be anatomically possible without a sphere-like structure? I know that compound eyes are a thing, but how &...
apsistema's user avatar
3 votes
6 answers
610 views

Is there a maximum number of fingers a species can have in each hand? [closed]

We have 5 fingers in each hand (10 fingers in both hands). So we count in a base of 10 (decimal base) which has the accepted digits of 0 to 9. Higher bases have more accepted digits; for example ...
Snack Exchange's user avatar
0 votes
1 answer
175 views

Does this Non-Hausdorff winged quadruped anatomy actually work? [closed]

The design features two non-contacting 'branches', one for the wings and another for the forelegs The ribcage is roughly avian, and exists on both branches. Attached are a pair of feline-type forelegs ...
Ichthys King's user avatar
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54 votes
5 answers
9k views

How horny can humans get before it's too horny

Trying to create horns which are both ornamental and defensive, I've read somewhere that beards evolved in humans because we punch each other so much that even just a minuscule amount of hair cushion ...
user avatar
13 votes
7 answers
2k views

What would a potion that increases resistance to damage actually do to the body?

Alright, we are in a medieval fantasy setting. In this setting, northern warriors (basically vikings or typical fantasy barbarians) have berserkers that use certain potions that make themselves ...
Chuck's user avatar
  • 1,399
3 votes
3 answers
854 views

Harness for soft-bodied animal

There is a soft-bodied animal approximately 1m in length. It has a worm-like body with a hydrostatic skeleton, and several pairs of legs that function as muscular hydrostats. Its anatomy has a rather ...
Ichthys King's user avatar
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3 votes
2 answers
251 views

Biped species with trunk evolved to use for locomotion

So currently in my speculative evolution scenario, I have a creature with an elongated trunk that it uses for rock climbing. This species transitions to a savannah like lifestyle and I was wondering ...
Storme Clouds's user avatar
-1 votes
1 answer
144 views

Are mouthparts best placed on the head or the mouth? [closed]

Let there be a creature with mammalian dentition, with three types of teeth among its jaws. Its mouth, however, is in its stomach. Should this creature have its jaws on its head, or on its mouth? Or ...
Ichthys King's user avatar
  • 15.9k
8 votes
1 answer
259 views

What would a lizardly phonetic alphabet be?

The international phonetic alphabet system contains all sounds that a human can make. However, humans are not lizards, but mammals, and hence have many features that let us make more complex sounds ...
Ichthys King's user avatar
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12 votes
12 answers
7k views

How would "barbie doll" anatomy work?

A fairly common trope in fantasy is "barbie doll anatomy". Effectively, a species completely lacks any visible orifices besides their mouth and nose. This brings up two major questions. ...
Robert Spencer's user avatar
0 votes
2 answers
123 views

Which limbs should be retained or lost to turn this land animal into a swimmer? [closed]

The form of large swimming animals is fairly consistent across distantly related groups. As example, all aquatic mammals, save the quadrupedal semiaquatic forms, have adapted for a fish-like shape ...
Ichthys King's user avatar
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8 votes
7 answers
3k views

Why won't Venusians just explode in our own atmosphere when they're not even wearing protective suits?

So "Venusians" are these Star Trek-y humanoid aliens that evolved on a planet with more than 75 times Earth's atmosphere. In a lot of ways this makes them not too dissimilar from deep sea ...
LiveInAmbeR's user avatar
  • 10.6k
2 votes
1 answer
106 views

Coherence of Facial Features in an Antarctic Race

I am currently thinking of an Asian-descended race/type of humans who want from the Americas then were expulsed to an agriculturally viable Antarctica by what we know today as the Native Americans, I ...
Bangerblade's user avatar
1 vote
2 answers
172 views

How would the biological ability to generate electricity to fight work in terrestrial animals? [closed]

In a series I'm writing, there are seven categories of species of intelligent, human-like creatures with magical abilities that vary by species. One of them is a revamp of mermaids, or as I call them, ...
Nightmare's user avatar
  • 105
4 votes
3 answers
577 views

What thickness of human flesh would have the same protective value as 100mm of RHA?

I'm trying to judge how much damage modern anti-tank weapons would deal to giants and I'm looking for a rough, order of magnitude estimate on how much protection layers of flesh would provide.
Adam Kabbeke's user avatar
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9 votes
2 answers
2k views

Are humanoid hind legs compatible with reptilian tails?

Unlike mammals, reptiles lack gluteal muscles and instead have enlarged caudofemoralis muscles to extend the hindlegs. The humanoid legs, on the other hand, rely on the mammalian gluteals in order to ...
Ichthys King's user avatar
  • 15.9k
2 votes
4 answers
212 views

Can a canine/human hybrid balance without a tail?

I am writing a book about a humanoid wolf (named Wolf. See what I did there?). Wolf lost most of his tail in an accident when he was younger. He hides the stump under his jacket to avoid being ...
Deko Revinio's user avatar
5 votes
2 answers
383 views

Could clawed fingers (without fingertips) work as well as nailed fingers?

The hand and arm are exactly human from the shoulder to the intermediate phalanges. The distal phalanges are conical, as in clawed animals, and is entirely surrounded by a keratinous claw. There is no ...
Ichthys King's user avatar
  • 15.9k
2 votes
0 answers
70 views

Could a paleopteran without a complete exoskeleton fly?

Unlike most insects, paleopterans have wing muscles that connect directly with the wing. Could this musculature be used to let a soft, maggot-like insect fly? The insect is relatively large (around ...
Ichthys King's user avatar
  • 15.9k
0 votes
1 answer
97 views

What would have to be considered when designing a humanoid species with extra limbs? [closed]

My dad was talking about some book where these humans had one big arm and two smaller arms, and it got me thinking. What if humans had two extra arms? And not big ones like the Ben 10 alien, but ...
C J's user avatar
  • 65
13 votes
6 answers
1k views

Dragon people with colorful horns

Dragonfolk have skin that looks like rock, but sometimes, some of them turn colorful with very bright horns for the same reason salmon turn from grey to red, while others are always bright and colored....
user avatar
-1 votes
1 answer
112 views

Are there anatomically good proportions for different dragon-like creatures? [duplicate]

I am unsure of what I can add here to make my question more well defined as my question is intended to be general. Answers can vary based on type of dragon-types (Asian vs European) or even (as the ...
Graham Lewis's user avatar
2 votes
1 answer
232 views

How to calculate the strength of fictional creatures when creating them or at least be precise and believable?

Strength sports and world records seem to not be relieable measurments for upper limits of humanoid strength since in most sports what was back then a world record level amount of strength and ...
user avatar
5 votes
2 answers
131 views

Two sets of fins, two different functions?

Let's say you had a fish analogy organism in the oceans of an alien world. Assuming it's ancestry allows for more the number of limbs, would it be possible for it to have one set of fins for swimming ...
Joe Smith's user avatar
  • 3,192
1 vote
3 answers
480 views

Does prey necessarily have to be bigger than predator when it comes to larger animals?

I am trying to create various fictional animals and monsters to inhabit my world. Many of the animals I am creating are huge, and some are even bigger than elephants. Some of these include the ...
Crafter's user avatar
  • 2,595
5 votes
3 answers
269 views

Anatomic design of a 10m tall humanoid that procreates by "splitting"

I'm currently trying to work out how a newly discovered species would work anatomically. It is extremely tall (10 to 15 meters) and has humanoid shape (head with eyes, arms, legs), but it is not a ...
babie389's user avatar
2 votes
3 answers
569 views

Is an "catfish-like" armored skeleton system still practical at larger sizes?

Essentially, I've been trying to make a world of arthropod-like creatures, but as a result of that, the more I researched arthropods, the more I understand the limits their structure has on size. ...
ProjectApex's user avatar
  • 14.2k
3 votes
1 answer
123 views

Could a creature adjust its height using this system?

So I had an idea for a vaguely humanoid creature called Krah (which I will post more questions about in time), and one of its many horrifying bodily functions is an ability I call “loathsome limbs”. ...
Jobah_HigherMind's user avatar
-2 votes
1 answer
130 views

Lateral bipedal centaur [closed]

I keep finding createures that are centaurs but with only two legs one behind the other. How or why would this evolve? A low gravity environment is the first thing to come to mind, but also the only ...
Joe Smith's user avatar
  • 3,192
1 vote
2 answers
145 views

How would pronogrades build embattlements?

While there have been a lot of designs for embattlements across times and cultures, there is onee constant I have noticed: They all share similar proportions. This appears to be related to the erect ...
Ichthys King's user avatar
  • 15.9k
7 votes
6 answers
2k views

What anatomical features would enable tree climbing in someone with feet for hands and no opposable thumbs?

Short version: A given person’s arms are now legs. But somehow they are able to climb trees despite having no opposable thumbs or big toes. How is the anatomy of their arm-legs designed to make this ...
Daron's user avatar
  • 66.1k
4 votes
3 answers
243 views

Sea serpent evolved into dragon anatomy?

In my story there are scary monstrous sea serpent like creatures of all shapes and sizes. What the people don’t know, is (reverse whale evolution theory) they came to shore and turned into something ...
KATE's user avatar
  • 43
0 votes
2 answers
108 views

Could a creature with nonhuman anatomy still have a regenerative healing factor? [closed]

Normally in fiction users of regenerative healing factor have human or mostly human physiology. My question is whether a creature with a nonhuman body could have a regenerative healing factor. Could, ...
user avatar
1 vote
0 answers
150 views

Can a Pterosaur-style wing membrane attach directly to the exoskeleton?

art by ticklemecthulhu In my world of arthropod-like creatures (in that most of the creatures have an exoskeleton rather than an endoskeleton), I wished for a group of my aliens to convergely evolve ...
ProjectApex's user avatar
  • 14.2k
4 votes
3 answers
240 views

Could a person survive a high temperature environment by only cooling the blood supply or will parts of the body eventually overheat?

Obviously not temperatures above the boiling point, but could you theoretically survive in an environment hotter than a normal human could thermoregulate in if you attached a blood-cooler and if so ...
Adam Kabbeke's user avatar
  • 1,973
-3 votes
3 answers
147 views

Anatomy for a head in the middle of the neck

In all animals with a neck, the head is always the end of the line. But what if it were otherwise? Specifically, what anatomy would you need to change to get a head in the middle of the neck, while ...
Ichthys King's user avatar
  • 15.9k

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