Skip to main content

Questions tagged [creature-design]

For questions regarding the viability of a life-form design. These questions should focus on biologically plausible creatures.

Filter by
Sorted by
Tagged with
5 votes
1 answer
98 views

Could an azhdarchid pterosaur take off and fly while being ridden by a human?

Could humans theoretically ride any of the largest azhdarchid pterosaurs, assuuming a wingspan of about 10.5m and weight of about 200-250kg for the largest azhdarchids such as Hatzegopteryz or ...
6 votes
1 answer
672 views

Can a Tidally-Breathing Animal Possess a Syrinx?

I have been imagining/designing a reptile-like animal that breathes tidally, but possesses a syrinx for complex vocalization. Is this biomechanically possible, or is unidirectional breathing a ...
3 votes
3 answers
342 views

How much energy could be stored in an average human body using electric organs?

I have been playing with the ideas of electricity generating/attacks for my characters using either electric organs similar to electric eels or some sort of bio battery using bacteria that produce ...
-4 votes
1 answer
105 views

How to defeat a villiain that is too powerfull in a fantasy setting? [closed]

I'm writting a story where the big bad guy got an artifact that allow him to control dragons. In my world dragons are intelligent beings that see humans as we see ants, they mostly don't care what ...
10 votes
5 answers
5k views

How big can a chicken get?

I'm working on a Spec Evo project and I'm wondering if there's a possibility for domesticated chickens, the closest living relative to the T-Rex, to regain those massive sizes. How did these chickens ...
13 votes
6 answers
579 views

How to not hurt yourself with very sharp spikes on tail?

The creature I'm designing has a tail with spikes on the end of it. The material of the spikes should be strong/durable (not break easily), and very sharp (the edge as well as the sides, being able to ...
6 votes
4 answers
796 views

From mice to men ( series )

A team of alien researchers get bored one day, and decides to conduct an experiment. Seeing that the great ape Homo sapiens sapiens turned out so well ( in terms of technological development and ...
5 votes
3 answers
735 views

Is it medically possible to give someone super strength with gene editing?

I'm trying to find a reasonable medical explanation for a normal-looking human having around 10x the strength of the general population, defined for the sake of easily-measurable goals as the amount ...
6 votes
3 answers
815 views

Could alien microorganisms "infect" our own microbiome clouds and then "pollinate" us?

I'm trying to make my idea make sense. I wanted to create an parasitic/symbiotic alien species which reproduces/breeds by air or touch, which they are unaware of. They do not understand why their ...
11 votes
2 answers
402 views

Can a human-sized organism survive eating only textile fibers?

Since there are living beings (like moth larvae) which feed on textile fibers (wool, cotton, silk, et cetera), I was planning to introduce a human-sized creature with such feature, plus the ability to ...
2 votes
2 answers
303 views

Under what circumstances could this dragon-like creature carry a human? [closed]

Can a draconic or pterosaur-like flying creature weighing about 1-1.5 times that of an average human carry a human through the air for a distance of about 10 miles? If not, what atmospheric and/or ...
4 votes
1 answer
90 views

Could chromatophores function suspended in fluid?

just wondering if there's any way chromatophores could function while suspended in fluid (maybe something similar to hemolymph?) I'm basing this off of mollusk chromatophores in particular, which as ...
1 vote
5 answers
187 views

Could a Creature Evolve to have a BUILT IN terrarium/nursery [closed]

In my world there is a species (who's name Im still working on) but this species has a built in nursery or terrarium. This "Terrarium' is found in the stomach where you can actively see the ...
0 votes
0 answers
38 views

Can the hemoglobin be fed something besides iron to make blood a different color? [duplicate]

A bit of context here. A species of Fairies in my world have silver-colored blood, and while researching for that, I learned that hemoglobins essentially require blood to be red because they need iron ...
2 votes
2 answers
123 views

What is the optimal number of fins for maximum maneuverability of an aquatic organism?

I am deciding how many fins to give a race of aquatic "humanoids" for maximum maneuverability in the water. It is a given that they would have tail and pectoral fins because they have very ...
5 votes
1 answer
86 views

Insect like muscles for a human skeleton that is alive, would it be able to move in a "snappy" capatult way?

Many insects overcome the issue of limited space for muscle growth by developing "bow" muscle-tendon systems. In this system, a muscle contracts against a lock, building up energy, and then ...
5 votes
5 answers
2k views

Is a four-armed humanoid body-plan as realistic as a centaur-like body-plan?

Many designs for sapient aliens and sapient fantasy races alike - including one of my own - resemble four-armed humanoids; As covered in other questions on this site, a six-limbed vertebrate-analog is ...
3 votes
1 answer
167 views

Is my concept for Writhing Ones viable? [closed]

My idea for an ent-like species is as follows. The Writhing Ones are a race of giant eusocial nematodes. They evolved to collaborate for the benefit of the collective and over time, colonies grew into ...
5 votes
9 answers
2k views

Aliens with an extra-set of ears- any possible benefits?

While doing some concept drawings of an alien species for a project of mine I somehow wound up drawing a head with two sets of ears, one pair on the top of the head and the other lower with one on ...
2 votes
1 answer
104 views

How does a bipedal amphibian use its legs in water?

Ok so I'm writing a story with humanoid animals that developed in water but adapted to instead live near large bodies of water like lakes. They have legs and arms as well as a tail (About 5'8feet (...
2 votes
2 answers
199 views

How plausible is a Cryovenom?

In my science-fantasy world there is a creature that secretes a venom (called a cryovenom) whose proteins catalyze a spontaneous crystallization of the water inside the interstitial fluids and ...
5 votes
3 answers
218 views

True living fossils?

Could there be a living creature that is so old that part of it has fossilized? Here are some criteria I have for the thing to be described as a fossil: It has to be over 10,000 years old. A portion ...
2 votes
1 answer
178 views

book lungs on a human?

I want my character (a human spider hybrid) to have book lungs along with human lungs, would there be any glaring disadvantages to this, would they be fragile be sensitive to smells? .
3 votes
1 answer
177 views

Designing giant space creatures becomes a popular fad in a super advanced post-scarcity society. How large can space creatures get?

This is a completely post-scarcity society. Robots and automated systems run the economy and most research. AIs are commonplace, and available to all in the human-like, completely obedient, and super-...
7 votes
6 answers
3k views

How would a predator adapt to prey on sapient species?

In this case, I am referring to my orc-equivalent species who are closely related to the true elves, adapting to the intelligence of the elves with camouflage and mimicry, as well as tusks that are ...
3 votes
4 answers
609 views

multiple retinas in one eye

is it possible to have multiple retinas, would there be advantages to this? Or would it just not work at all? I have a diagram (a shitty one) and more explanation if needed Edit: sorry for the ...
11 votes
10 answers
4k views

Is this super soldier viable and grounded?

Below is a excerpt of a set of notes that I have compiled that is the basis for a science fiction story that I am writing. I have spent a fair amount of time trying to come up with a close/hard/sci-...
7 votes
6 answers
4k views

No stomach, how do I eat?

Imagine a creature that through congenital diseases and mutations starts slowly losing its digestive system as it becomes less and less efficient and smaller until it is vestigial and eventually ...
3 votes
1 answer
127 views

Gene-smiths creating super warriors. They need a secondary digestive system with a new super food

Got a faction that's making super warriors. The gene-smiths of my story managed to biologically engineer a far better human body. That's easy. This includes a far more developed digestive system, ...
5 votes
1 answer
97 views

What's an effective swimming stroke for a species with gliding membranes?

I'm writing about an alien species of lean-bodied, long-limbed bipeds who have vestigial gliding membranes stretching between their elbows and hips (female) or knees (male); see: https://...
19 votes
4 answers
2k views

Consistency of Giant Spider Webs

Giant spider webs in fiction always seem very thin compared to the scale of the spider itself. (See: Hobbit 2) I would expect giant spider webs to be like cables, but that might not be the case. My ...
1 vote
2 answers
204 views

Does a saber-toothed humanoid make sense as an animal?

The creature has the head and neck of a saber-toothed predator. It has long upper canines and kills with a strong downward swing of the head, hence its neck is strengthened to perform this task Its ...
0 votes
1 answer
253 views

Does this creature have good head and neck balancing? Final(?) Draft

I feel bad and guilty for doing this one AGAIN, but I've improved and want to further perfect my hyperfixation character. I've learned more of how things work from previous iterations, now I wish to ...
1 vote
6 answers
704 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 ...
5 votes
2 answers
106 views

Growth rate of super moss

Following an answer to aprevious question I posted, this world does is filled with moss and lichen fields that make other plant growth (and crop cultivation) impossible. But after researching mosses ...
3 votes
1 answer
128 views

How could a Massive Animal Thermoregulate?

In my world, there are massive vertebrate creatures that live on the planet's savannahs and rainforests. Alongside others that live in the frigid south pole and deep in the ocean trenches. I'm ...
7 votes
6 answers
1k views

Labour-Intensive staple crop

I am trying to design a staple crop (preferably grain or tuber, but can be anything if necessary) that is very productive, capable of sustaining great population densities, but is also very labour ...
0 votes
1 answer
112 views

Designing the best Meat livestock [closed]

I have been wondering what would be the best animal to produce meat, excluding insects and artificial meat. The following questions are meant to provide ideas: Would it be better for it to be an ...
-4 votes
2 answers
245 views

How do tiny humanoids not fall over?

Gravity is around 9.8m/s^2 on Earth. Unfortunately, this figure means different things at different scales. We could put this figure in terms of height (1.6m) and reaction times (0.2s), which shoul ...
5 votes
2 answers
489 views

Whale-sized electric eel shock?

How does an electric eels shock change if it were the size of a whale? The problem I'm trying to elucidate is how a larger voltage from a much larger creature would change the range, power and ...
23 votes
5 answers
5k views

What else is involved in "silicon based" life?

Silicon is often brought up in science fiction as being very similar to carbon, just below it on the periodic table. The silicon-based "organic" molecules are more tightly bound and thus would find a ...
12 votes
9 answers
3k views

What danger would a mummy pose if resurrected where they need to cover/protect its body?

Mummies are widely considered to be one of the most iconic undead monsters, but are often overshadowed by their vampire & zombie brethren. Furthermore, while the vampire has a bevy of supernatural ...
12 votes
9 answers
2k views

How would a creature adapted to life in a completely dark environment also have the ability to change its skin pattern like an octopus?

I'm in a bit of a pickle - I've designed a monster for a horror novel I'm working on, but I've added too many characteristics that I like for it to make logical sense. One of these features is that ...
4 votes
6 answers
2k views

How would one design a superhuman?

I'm working on a story where the MC gets his body modified like Kamen Rider's. As such he becomes stronger than a normal human. But instead of being cyborg enhancements, they are biological ...
4 votes
3 answers
712 views

A brood parasite that mimics humans, plausible?

I thought of a brood parasite that co-existed with humans and has evolved to mimic humans and to infiltrate human families as a brood parasite -- similar to a cuckoo birds -- as adopted children who ...
6 votes
1 answer
302 views

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 ...
3 votes
2 answers
257 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 ...
7 votes
7 answers
2k views

How can I make two hearts work?

It’s an occasional trope in sci-fi where warrior species get two hearts to better survive combat. Like the Star Trek Klingons (apparently), Halo Sangheili and the 40K Space Marines. However, two ...
3 votes
1 answer
103 views

Combining a electrocyte and a muscle fibre

Basically the title itself. Is it possible to combine the function of a electrocyte and a myocyte, such that muscles double up as electric organs? Electric organ Myocyte Observing the anatomy of a ...
18 votes
13 answers
5k views

How are sapient crows utilized if there are phones for communicating?

A shaman society secret to normal humans, in the late 2000s era where phones and the internet exist: why and how would they still put to work their black feathery friends? They were crucial before all ...

1
2 3 4 5
54