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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5answers
244 views

Why would a intelligent and manipulative demon in human body not integrate in society? [closed]

I have a demon (Jhora, Rakshesha), which has a very attractive female human body who has to drink human blood to survive. It was banned from the city where the other demons live. Jhora is very ...
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3answers
272 views

Evolution of vipers (merfolk)

Appearance The ''vipers'' are semi aquatic humanoids species with webbed fingers on both hands and feet, they also have 2 fins on each leg and their legs are covered in scales from the feet up to ...
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3answers
1k views

Creating a scientifically semi-valid super-soldier, part 7: Hearing

Previous parts here: Creating a scientifically semi-valid super-soldier, part 1: Skeleton Creating a scientifically semi-valid super-soldier, part 2: nervous system Creating a scientifically semi-...
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4answers
656 views

The growth and development of the fox's nine tails?

Just wondering both out of curiosity and something to add to my book, how do the nine tailed fox's dreads grow and developed? This is what I wrote so far. ...
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1answer
212 views

4 ears, Possible or Inconceivable?

This question has no background information here. I just want to know if there are any evolutionary advantages for a species to have 4 ears?(The kind a mammal has).
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2answers
134 views

Could bio-luminescent plants survive in total darkness for ~3 months annually?

If a three-month dark period was a normal, recurring, part of a 15-month calendar, and plants had evolved to be bio-luminescent, could they survive? Would only some survive and, if so, would it be ...
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3answers
300 views

A predator that uses an airborne chemical to make prey not be afraid of it

There is a predator that lives in the forest. It is roughly the size of a large bear, and moves quite slowly - a person could outrun it at a light jog. Nor is it agile - although its arms and jaws ...
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4answers
394 views

Are enormous metal space whales possible?

Is the following scenario reasonable? Enormous metal whales, which fly through space eating planets and nebulae by: Churning with blender (like mastication), then Melting them down in a furnace (...
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4answers
153 views

Self replicant ants from Gamma Draconis

Anti-matter ants A xenobiological life form landed on earth. A small pest called anti-matter ant. They are 1g in weight, composed of handwavium matter and can reproduce via fission at a rate given by ...
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3answers
153 views

Could a mammal procreate if it existed out of multiple sets of DNA in different cells? If so, how? [closed]

I was wondering about creating mammals that consist out of multiple sets of DNA and if they could procreate. I am talking about a singular being that isn't composed out of multiple seperate parts ...
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3answers
290 views

Explosive joints that allow people to jump really long lengths

How does a joint need to operate and be structured in order to allow a person to do leaps of 10 meters in length with ease and without taking a long run first? Here's an example of what I'm talking ...
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3answers
168 views

Alien Senses: Active electrolocation

In the course of designing fictional species I often find myself wishing to use exotic senses which we humans lack. This poses a unique and interesting challenge as without possessing the sense myself ...
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2answers
126 views

Any justification as to why a vampire sleeps? (Also would they have stamina?)

I have a character who is a vampire and I am wondering if there is any justification for him being able to sleep. He is dead, doesn't need to eat or drink outside feeding off others, and all your ...
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2answers
132 views

Could a semi-permeable membrane, which releases CO2 but contains O2 and nitrogen, biologically exist?

I'm trying to create an alien which has external lungs. Air can be inhaled normally however, is it plausible that the material the lungs are made of is semi-permeable. Containing the nitrogen and ...
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3answers
180 views

What evolutionary pressures could turn a group of divergent hominids into matriarchal giants?

QUESTION Other questions have covered what the physical structure of a humanoid giant might look like. Assuming that anatomically modern humans (or something close) were dispersed into several ...
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2answers
206 views

Using chemosynthesis in mammals [closed]

I have a genius new idea, that could not possibly fail. What if... we would use the methane created during digestion and use it to create even more energy and biomass. The idea of this process was ...
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4answers
167 views

What is the best method to immobilize a Godzilla-like monster?

Suppose a Godzilla-like monster landed on the shore of California and heading towards the city business district, despite not being able to shoot atomic breath, nor discharging laser beams from its ...
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4answers
333 views

May beings that jump off from planets for interplanetary travel be possible?

Some days ago I had a discussion with a friend about possible alien life forms. He was stating that there anywhere could be lifeforms that do interplanetary or even interstellar travel by jumping of ...
2
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5answers
218 views

What would the optimal beast of burden created by biotech look like?

Assume an Earth-like planet. The task is to transport a very heavy object through mostly light and some difficult terrain. The object is resting within a basket or pouch, formed like a slingshot and ...
2
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1answer
158 views

Anatomically Correct - (ONI) Hatch

My offering to the Anatomically Correct Series. I came across a curious creature, the Hatch! The Hatch is an adaptable creature whose wide-ranging diet allows it to integrate easily into most ...
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2answers
114 views

Segmented Endoskeleton

I have a primarily marine creature that needs to be able to move around effectively outside of water yet still be extremely flexible. My idea is having an anatomy based largely on bony disks similar ...
2
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4answers
221 views

Designing long-term, non-magical zombies

Zombies are their own genre and have many tropes associated to them. There's plenty of questions on here that deal with surviving a zombie apocalypse, but they all assume that zombies are capable of ...
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2answers
442 views

Amoeba Skeletal Structure

So I am making these giant(human sized) amoeba-like aliens and to have something this big it requires a skeleton to maintain shape and to support its body but also needs to be flexible so it can do as ...
2
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1answer
169 views

Acid spraying dragon (of death)! [duplicate]

In my universe I have small dragons that are capable of bringing down much larger prey with highly acidic venom that can be sprayed over distance as a thick jet or a fine mist. Ideally I’d like this “...
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5answers
185 views

How could my immortal avoid degenerative diseases?

So my main character was genetically engineered to be biologically immortal. By this I mean her DNA is a lot better than ours. The telomeres do not degrade over time same as genetic information. ...
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2answers
216 views

Would an alien species need to produce waste?

All organisms on Earth produce waste. Whether an organism's respiration has a byproduct, or it just doesn't process all food it consumes, it will always put some amount of matter into the environment ...
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4answers
209 views

What would be the best members for a collective consciousness?

The idea of a collective consciousness is pretty simple: instead of cells you have small hive insects (such as ants, bees or termites) that make up a larger creature. This is different from a hive in ...
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315 views

How could a collective consciousness evolve?

We have talked about hive minds a lot here and relatively recently, a new idea of hive mind has become popular; the collective consciousness. The basic run down is that a collective consciousness ...
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2answers
294 views

How long would these children take to grow up

In the world I am building there are rat-like primates called iolasae, or mane-beast, In this family of primates there are sapient humanoid creatures called lokk, They have digitigrade legs, long arms,...
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2answers
317 views

Hammerhead dragon craving for seafood

How can I explain a female adult dragon standing at 30 to 32 meters living on the peaks of a snowy mountain, will dive and swim hundreds of miles into the ocean to hunt for sperm whales and colossal ...
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3answers
178 views

Other Mouthparts For Aliens?

What other kind of mouthparts might an alien (intelligent or non-intelligent) have besides the typical jaw with teeth or mandibles? To avoid being too broad a subject, let's assume the aliens need to ...
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5answers
193 views

How could a sentient species not develop a word differentiating themselves from other animals?

Essentially, I'm in the pre-planning stage of writing a short story where I want there to be a "normal" species (think human) that interacts with a species that for one reason or another doesn't ...
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2answers
209 views

Archery With Gibbon Anatomy

I've been conceiving a race of humanoids inspired by gibbons. As such, this race is characterized by: very long arms and hands a ball and socket jointed wrist feet capable of grasping about 3 ft tall ...
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1answer
514 views

Basic Biology of a Race of Rock People [closed]

Working on a race of rock people who live in a fantasy setting. Realistically, how would they obtain energy (do they need to eat? breath?) and how could they reproduce or perform other biological ...
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1answer
106 views

Most effective shaped horn (horns)/ crest for a head butting human?

If a human /human shaped creature were to have a horn, horns or crest on their head, what shape, positioning and number of horns would be the best for the most damage? The human will be very muscular ...
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2answers
1k views

Is there a name for being able to switch between bipedal and quadrupedal? [closed]

I've got a species that can switch between orthograde/bipedal and pronograde/quadrupedal, much like the werewolves in Skyrim, but I don't know what to call that. Does it have a name?
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2answers
197 views

How would a creature fly without wings? [duplicate]

I am sorry if this is not the right place to ask, but I have tried to ask this question everywhere and the only answer I’ve gotten are examples of animals like the flying squirrel and such, which does ...
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2answers
278 views

Biological Rebreather?

Would it be possible, through genetic engineering or on some alien world, to have a creature with a biological rebreather? That is, a method of recycling the oxygen in a closed circuit, so as to ...
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3answers
284 views

Refined symbiotic species, Environment and life

Taking into account the answer by akaioi to my previous question (Would a human-like symbiotic pair of the same race be possible?). Answer: Is it okay if we turn it around a bit? That is, ...
2
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1answer
571 views

What type of organ would a animal need to breathe fire? [duplicate]

Ok, so I was wondering if an animal ever evolved to the point that it had the capabilities to breathe or shoot fire say up to 300-500 degrees. What would it need to protect itself from its own heat as ...
2
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3answers
247 views

Draconic Creature externally getting electricity [closed]

So this idea I've been pondering involved a Asian/Eastern Dragon that could shoot electricity(lightning) but the electricity is externally generated so how exactly would that work? This is what i've ...
2
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3answers
162 views

Increased blood pressure reasonable?

My Kepler Bb humanoids have their arteries and veins doubled up(quadrupled if you are looking at the coronary arteries and veins). This makes sense because they have 2 hearts and both of those are 4 ...
2
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2answers
429 views

Is there psychological reason to design a red eyed creature?

We see it often enough. Red eyed monsters, ghosts, robots, etc. Media monsters are made to be creepy and unsettling generally. So there must be a bases for them to have this trait. I know red has a ...
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1answer
55 views

Can Owl Ears Instead of Echolocation Guarantee Life in Cave Colonies?

In an alternate Earth, there are no bats. Instead, there are "flying monkeys" (which are actually lemuriform primates, rather like bushbabies or lorises.) And even though they have batlike ears, ...
2
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1answer
81 views

Convergent Evolution of Polycephalic (Multi-Headed) Organisms [closed]

In my fantasy story, various two- and three-headed creatures have evolved from past magical experiments. For this question assume that: Although originally created in experiments, they can breed and ...
2
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2answers
278 views

Anatomically Correct Ego Sword

I'm reading a comic set in a really unique fantasy game. One of the creatures that really caught my attention were a type of slime/sword called ego sword. In their normal form they're a blob but can ...
2
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1answer
191 views

Anatomically correct Triceraton

The Triceratons are a imperialistic race of, well, space triceratops' from TMNT (Teenage Mutant Ninja Turtles). From what I can gather they breathe nitrogen and judging by their build come from a high ...
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3answers
96 views

A large bovine able to digest almost anything [duplicate]

I had an idea few years back for a species of "cow" living in arctic/tundra climate which could forage on "anything"- in their habitat it would be mostly vegetation, wood and remains of dead animals ...
2
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2answers
104 views

How could vertebrates evolve to only have two legs? [closed]

I know how humans and flightless birds evolved bipedalism, but could life on land and so on evolve with bipedalism form the start? Try to think of something more than just two finned fish equivalents.
2
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2answers
263 views

Creating a scientifically semi-valid super-soldier, part 9: Temperature control

Previous questions here: Creating a scientifically semi-valid super-soldier, part 1: Skeleton Creating a scientifically semi-valid super-soldier, part 2: nervous system Creating a scientifically ...