Questions tagged [creature-design]
For questions regarding the viability of a life-form design. These questions should focus on biologically plausible creatures.
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How to support the evolution of a giant creature across generations [closed]
In my story, in which I want to rely on scientific logic as much as possible, I want a creature to evolve to become at least the size of a country and you can live in space.
The means of evolution for ...
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How would a species with intangibility-powers deal with war and violence? [closed]
I've got an idea for an alien species with intangibility powers, similar to Kitty Pryde from the X-men or Mira Nova and the Tangeans from "Buzz Lightyear of Star Command". They are capable ...
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Could a species be highly apathetic to their brethren yet have a strong pack/herd mentality?
This species comes from a world 1.7x the mass of Earth that is about 75% water.
I would like them to be very apathetic so that when a space-faring species contacts then there is a definite difference ...
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What explanations can be used for how a humanoid's body is able to spontaneously combust as a natural part of its early stage decomposition?
Some form of chemical reaction interacting with the digestive system for a start?
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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 ...
user104995
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How big can my giant killer-eel grow?
In my fantasy world, Mainspring, the top of the oceans' food chain is the maculatum, a species of giant eel which originated on another plane/dimension. Maculatum reproduce asexually and wthout any ...
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High Gravity Giant Shell
I am designing a genus of eusocial, high-temperature, extraterrestrials from the planet 61 Virginis b. They are based on tungsten chloride and use sodium chloride as a solvent. This species has ...
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How to serve the gods
TL;DR: How can a mortal become worthy of being listened to by the gods?
I'm seeking a logical framework to establish a specific relationship between gods and mortals.
The Relationship:
Mortals can ...
user104995
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Do I need magic to change the colors I see?
Basically, I have creatures that are supposed to see all wavelengths of light which are hypothetically visible to biological life, but the way they do this is by changing the photo-receptors in their ...
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How would a 4-armed, blind species,use firearms?
My blind, intelligent species has advanced technologically to the stage of space exploration through the usage of FTL travel. The reason for their blindness is evolving underground, after the surface ...
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How would life, that thrives on the magic of trees, survive in an area with limited trees?
In my fantasy world, there's 'magic' which is produced by trees; flowing from the roots up to the branches, which send out the magic into the atmosphere, allowing it to flow through all life. Humans ...
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Non-liquid fuel produced biologically in a carbon-based lifeform
I have a creature that was bio-engineered by an extremely capable society, and I need it to "produce" an explosive* fuel that is contained within the outer layer of flesh/fur. This fuel ...
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Can a plant or fruit evolve or be made to look as if it evolved to produce blood?
My question is Can a plant or fruit evolve or be made to look as if it evolved to produce blood? I want to have a story well a benevolent super being not a god a being with powerful tech; transplanted ...
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Ideal weapons and combat gear for prehensile feet
What weapons and combat gear would suit a race of creatures with prehensile hands and feet?
I'm designing a high fantasy warrior who comes from a bipedal race of creatures with prehensile hands and ...
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Is it realistic/plausible to have iron plated scales on an animal? [duplicate]
I've been drafting a fantasy world with dragons, obviously becuase it's a fantasy world. I was thinking about the science behind flying animals and how reptiles and birds are sort of related, yadda ...
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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 ...
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Would it be possible for a creature to change to be able to live in most extreme environments
My world of Find out is somewhat like earth having all the same environments in addition to many more of the extreme ones. For example: bigger temperature differences during seasons, more underwater ...
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How could a radiowave controlled cyborg-mutant be possible?
The cells of certain gene edited superhumans were changed to make them produce molecular radiowave receiver inside the cell to allow the superhuman to coordinate the movements and even change genetic ...
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What could be an alternative for chlorophyll for cyanobacteria that use five micron infrared to make energy?
What would be a viable chlorophyll like protein be for a cyanobacterium that absorbs infrared light at the 5-20 micron range to produce energy in the form of ATP?
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More energy dense alternative for glucose for vampires
I'm making a vampire human subspecies that is hundreds of times stronger than humans and also is immortal, but I can't seem to find a suitable energy source.
First, vampires are humans infected by a ...
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Can combustion create ATP
Could the heat and light from slow and controlled combustion produce ATP from ADP and inorganic phosphate? Could the heat and light drive proton pumps and then could ATP synthase produce ATP from the ...
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How can you appear in an illusion in your own car [closed]
In the beginning of my story two girls arrive in their car to a central square of a little European looking town with no single living soul around. They take guns from the trunk, go to a church on ...
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Surviving Organ Failure
This is a re-phrasing of the question "How Would Metabolism Work For A Zombie?".
It's the year 2026 and a new engineered virus turns people into zombies who are very stupid and can only ...
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How would a creature evolve a antimagic field? [closed]
I've been designing a group of creatures which one of their defining traits is that magic tends to become disabled once its close enough to them like a anti-magic field. The question I've been asking ...
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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 ...
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How might this creature evolve a biological gun
I recently started to wonder how an animal could evolve a gun. So I decided that here was the best place to find people that are smarter and/or have different ideas than me.
This creature has an ...
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Would my giants still have a functioning appendix?
In my world, there is a species from the Homo genus named Homo gigas. They are commonly called giants.
They are as massive as polar bears, and they never stop growing like kangaroos.
They have seal-...
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Atmospheric density for sky jellyfish?
My setting I've been working on for the past few years has giant floating creatures (I know, very original) that the local sapients often live on like sky islands, maybe cultivating some kind of ...
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Is it possible for a race of alien humanoids to evolve a diet based of semen?
On this planet there are two species of alien humanoids creatures , one group evolved an omnivore based diet and the other has a semen based diet, both groups are bipedal and share a common ancestor.
...
user103236
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What would life be like that uses liquid nitrogen as a solvent instead of water? [closed]
I'm working on a worldbuilding project and want to have an intelligent species from a planet where liquid nitrogen is the dominant solvent, not water. I plan on building the planet backwards from here ...
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Which animals are closest to a large upright boar monster that can mimic human speech?
If you’ve seen any of my previous questions about Algennon’s monsters, then you’ll be glad to know we’ve stopped talking about simple mollusk monsters. Now we can talk about cool monsters that have ...
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Wing positioning for this hexapodal wyvern-like creature?
Which pair of limbs should the wings be attached to for this bio-engineered creature? (A or B) The creature itself does not have a set weight and is built to fight other similarly sized creatures. It ...
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Carbon planet gardens [closed]
This is a restart of my previous question: let's say there was a carbon planet with life. That means it would use hydrocarbons as a solvent and since the molecules are more complicated, all reactions ...
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How effective would this spider's technique be in getting it food/shelter(for its young)/transportation/protection?
So I have this idea for this unique species of jumping spider.
Basically it is around a foot long/medium sized hat size and has pretty big fangs for its size. It jumps on to people's heads and uses ...
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Knocking Out Zombies
So basically we have zombies. And they are not just normal zombies... they are walking human corpses reanimated by slime molds growing around their bones! The zombies are moved around like puppets by ...
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What kind of world could have humanoid size spiders
It is a classic RPG trope to have the humanoid adventurers battle some spiders that are roughly the same size as the humanoids or even a good deal bigger. There are a number of questions about giant ...
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Could a desert animal recycle ammonia into protein to avoid urinating?
Could a desert animal, with the right symbiotic microbes, avert the need to urinate by creating ammonia and having bacteria in its blood/kidneys convert it into nitrate and then back into amino acids? ...
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Boss attacks for a purple worm [closed]
I am making a boss fight themed quest in Dungeons and Dragons, and I am having trouble coming up with "Boss Attacks" that would be physically possible as well as add diversity to the purple ...
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How would my zombies locate victims?
My world has zombies that are created as a result of infection with a symbiotic organism consisting of a bacterium in symbiosis with another eukaryotic organism, essentially somewhat like a lichen. ...
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How successful could rapidly spreading new predator be in world with today's type of development
I was rewatching Secret war from Love, Death & Robots and started wondering, would the monsters from that episode pose any actual threat in today's world?
Let's assume the monsters have similar ...
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How my species powers work? [closed]
My species live in a planet which was like prehistoric earth where dinosaur lived. My species name was trialsapien. The bones on the arms of evolved trialsapien become kinetically charged and ...
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Why would dyadic cisgender women with facial hair be considered attractive? [closed]
In my world, there is a revolution in the world of fashion: women, men, non-binary people, and genderfluid people all must have facial hair if they want to be among the elite models. To be exact, men ...
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Which animals are closest to a squid monster that mimics humans and other animals?
Welcome back to Algennon, where monsters, old feuds between the Five Peoples, and internal political strife mean that heroes are always needed. This is another question about the feasibility of a ...
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What would a anatomically correct bipedal wolf look like? [duplicate]
In the movie Kung Fu Panda 2, we see the main villain Lord Shen having several bipedal wolves as his soldiers.
I was wondering if we to engineer an anatomically correct bipedal wolf species, what ...
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Could a biological organism have organs that perceive entropy?
A biology textbook I once read described humans and other organisms as "moving zones of low entropy", referring to the fact that our bodies display a high level of organization and ...
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Hydrostatic skeletons on a low gravity world
So I'm working on an inhabited planet with around half the gravity of Earth (assume everything else is the same, just the gravity differs). While thinking about what kinds of terrestrial creatures ...
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How would a medieval village protect themselves from invisible monsters? [closed]
How would a village of medieval-like technology protect themselves from rhino sized invisible praying mantis-like monsters?
Context and details:
The praying mantis’s have a top speed of 40 mph and ...
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Social implication of lion-people living with normal humans and how to make them into free folk and not slaves while maintaing their role as defenders [closed]
Lion-people are kidnapped at birth from humans. Why?
Because Lion-folk prey on humans as a form of sport and entertainment
Kidnapped cubs of lion-folk are groomed in ''loving'' families in order to ...
user100394
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Would it be biologically possible to have a species that use a photochromic material instead of an iris to control light intensity?
So in real life there is glasses that use photochromic lens to adapt to the light intensity
Would it be biologically possible to have a species that use a photochromic material instead of an iris to ...
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How to make chocolate safe for Keidran? (Basically Dog-people)
Backstory (skip if desired)
Let's take our cute and self-conscious protagonist, Jayden! (For the people that read and responded to the post about the genetics behind keidran and the colonization of ...
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