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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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3answers
244 views

How effective would an iron sulphide carapace be at resisting small-arms gunfire?

I've been designing a race of humanoids with a thick chitinous arthropodal carapace resilient to small-calibre gunfire and physical trauma that would cripple a normal human being. This carapace is ...
2
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2answers
110 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 ...
4
votes
3answers
102 views

Would someone who doesn't normally breathe nor have heartbeat, breathe in order to calm themselves down?

So, this is a question I've kind of been wondering for a while now. I have a character that is, by all human standards, (and quite literally) dead. So, with a heart that doesn't beat, lungs that don't ...
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4answers
118 views

Physiological way of producing Optical beams of heat

I have an alien race that can emit beams of heat from their eyes. Is their any way this can be produced by means of a highly evolved organ? If so, how would this organ work?
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6answers
243 views

Plausibility Check: Kite Trees?

Disclaimer: This question, unlike my other tree related question, was brought about by pure whimsical daydreaming. I also threw the term "evolve" around a lot, I should clarify that what I asking is ...
0
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2answers
136 views

World Turtle biomes

How large of a shell would a World Turtle need to have to have most of the major types of biomes on its shell, including but not limited to swamp, jungle, temperate forest, and polar forest? Also ...
58
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12answers
7k views

Justifying why a troll's skin would turn to stone in sunlight

It's a fairly common legend that trolls turn to stone when exposed to daylight, and I was thinking about using such a creature in a story. I'm searching for a plausible way of justifying such a ...
6
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1answer
221 views

Anatomically Correct Hypnotoad

All hail to the Hypnotoad! I am interested in creating anatomically correct Hypnotoad, mainly known from the Futurama series. While in Futurama the toad itself is pretty big, but I am actually ...
13
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5answers
2k views

Plausibility Check: Armored Birds

How plausible, or implausible, would it be for a lineage of birds' feathers to evolve into sharp, hardened plate-like scale armor (and/or blades), comparable to that of pangolins? And if it is ...
7
votes
1answer
573 views

What Would a Reptile with Facial Muscles look like?

I have been wanting to make a carnivorous reptilian creature with the ability to speak fluently using its speech muscles and its vocal tract, it can also perform facial expressions just like how ...
4
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2answers
167 views

Anatomically correct snallygaster

The snallygaster is a cryptid from Maryland. It is often described as resembling a half bird/half reptile like creature with large wings, a metal beak, tentacles like an octopus (sometimes depicted as ...
5
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8answers
335 views

What would it take for a theropod-like creature to be capable of running underwater?

I'm designing an alien creature that has a similar body structure as a theropod. Now one thing about this creature is that it lives near bodies of water like lakes or shallow seas because that's where ...
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3answers
278 views

Could a tetrapod evolve from a hexapod?

I'm thinking of an alien alien world that has a vast biosphere. Now the creatures of this planet have evolved to be hexapods though there are a few creatures that are tetrapods (only have four limbs). ...
3
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4answers
253 views

Human-fungus symbiotic species

Researching a lot about fantasy, I've always had interest of mushroom humanoids, but I wanted to put my own twist on them. Instead of sentient mushrooms, I wanted to have a humanoid species infected ...
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2answers
145 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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1answer
153 views

An Organic Polymer that can be hardened into a glass like substance?

Continuation question from this: The Biology behind a slime that uses hydrofluoric acid to disable and digest prey. I've designed a slime that has a bunch of acids and non reactive polymers in its ...
6
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2answers
170 views

The Biology behind a slime that uses hydrofluoric acid to disable and digest prey.

So I've been working on a low magic world where magic is actually just another form of energy that can be actualized, similar to alchemy in Full Metal Alchemist. Although development has taken a ...
6
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2answers
135 views

Explosive jellyfish

Could a creature like this exist? Jellyfish or cephalopod-like creatures that live in 'swarms' underwater. They float aimlessly around in a net formation. When one member detects prey below the ...
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2answers
107 views

Made of Metal: effects on society? [closed]

Writing a story about a civilisation of humans with either metal a) skin or b) skeletal systems. Setting: 1800-1900s on a fictional land that has both desert & rainforest. I felt the Middle-East/...
15
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10answers
3k views

Could an animal species fire solid projectiles as a defense? [duplicate]

Projectile weaponry is not unheard of in the animal kingdom - cobra venom, venomous spider silk, velvet-worm slime, scalding water from bombardier beetles, archerfish spitting water, penguins ...
8
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16answers
1k views

What is a plausible reason why the creature keeps its victims alive in this stomach?

On planet Dalia, there exists a creature that supplies Dalians with horrific fear. The Tayan. Tayan is similar to the Earth pitcher plant, and employs similar methods to capture prey. XENOBIOLOGY ...
2
votes
4answers
183 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 ...
15
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27answers
3k views

Creature-Design: Unkillable save by sacrifice

In my fantasy story, primitive humans are going up against a single powerful creature. They must kill the creature to gain their freedom, but they soon realize that the only way to slay the creature ...
2
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2answers
108 views

How would giant penguins affect the arctic/Antarctic ecosystem?

So, I was reading about the Colossus Penguin and was wondering how adding them to my world might affect the arctic ecosystem in my world? Obviously, they would need to eat a lot of fish, squid, and ...
30
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5answers
8k views

Anatomically Correct Succubus

The succubi are popularly represented as women with horns and bat-like wings. They feed on the vital energy in myths, but could a humanoid creature resembling a woman evolve and feed only on human ...
12
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1answer
337 views

How could an Earth-like planet develop huge pinkish-purple forests on ocean surfaces?

I'd really like to write a story taking place on an alien world that involves a totally new kingdom of life, and I'd like it to be at least somewhat realistic. The idea I have right now is a whole ...
13
votes
1answer
269 views

(Porcu)pine tree needle firing system?

Info I've created a pine tree that stabs its needles into people. Here's the way I did so: Using genetic engineering, my fictional scientists inserted keratin-producing genes into a pine tree (...
13
votes
4answers
306 views

Is there any natural material that could be used to make fireproof feathers?

The general idea I'm looking to support here is that of a bird that produces a natural grease/oil that covers its feathers, similar to real-world waterfowl. Assume the purpose of this oil is to be lit ...
50
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6answers
6k views

Could Cobalt bind to nitrogen the same way iron would to oxygen in an alien respiratory system?

I'm making this whole other alien world and I made it an ammonia world, so there is a lot of nitrogen in the atmosphere. Would nitrogen be a good gas to breathe in an ammonia world and would Cobalt be ...
3
votes
1answer
129 views

Plant-Animal reproduction

I'm designing an Anthropomorphic Lu-pine. (Get it? Cuz it's technically a tree, but it looks like a werewolf.) They are mobile, omnivorous plants, slightly larger than the average person. They are ...
7
votes
7answers
353 views

Perfect space faring race [closed]

I was wondering what the physical characteristics/traits are that would make an alien race perfectly adapted to exploring space. Assuming this race does not have FTL, but could reach potentially 0....
6
votes
7answers
402 views

On the Origin of Dwarves

I've been trying to come up with a genetically plausible origin for dwarves, but with little success. By dwarves, I'm talking about the jolly and burly people similar to that of Tolkien's dwarves. My ...
2
votes
1answer
157 views

Viability of animal plant? (Energy calculation)

I'm trying to design a humanoid or anthropomorphic organism that would be classified as a plant. The main argument people mention is that it wouldn't be able to produce enough energy to survive. I've ...
22
votes
3answers
3k views

What sort of beak would a bone marrow eating bird have?

My world is very earthlike and I am looking to create a bird that primarily eats bone marrow. I wanted my bird to crack the bones of the carcasses to eat the marrow inside. What would the ideal beak ...
2
votes
5answers
208 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 ...
7
votes
4answers
389 views

How could intelligence be balanced with a large muzzle?

My species of caniform-like creature has a relatively long muzzle because of its strong sense of smell. I would like to know how to give it a long muzzle with its large brain size. Members of this ...
2
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5answers
243 views

Raptor Martial Arts (Swordplay)

Say an alien civilization came to Earth during the age of dinosaurs and picked up a few raptors to use militarily. With genetic modifications, the raptors have human-level intelligence while ...
0
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2answers
289 views

I was wondering about giants. About 40km tall

Would it be possible to have a giant, made of stone for example, that would be 40km tall? Would the earth or even his legs be able to hold him? And if not, what would be the tallest plausible height ...
6
votes
6answers
2k views

Viability of a heart inside a brain

I have a species that is a descendant of modern humans, but containing superior bioengineered organs. One of these organs would be a small heart-like organ inside the head. This heart connects with ...
41
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17answers
10k views

How would a tripedal animal walk?

Animals on Earth have 2 or 4 legs they use for walking. On another world, however, animals have 3. I want to know how these animals will walk. How will their legs be placed and how will they move them ...
6
votes
1answer
458 views

How would this super-earth world be? (Creature evolution)

I have a super-earth world. The surface of the world is shallower due to extra gravity, so shorter mountain ranges and less ocean depths. The world orbits a binary star system at a distance of the ...
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3answers
176 views

Evolution of intelligent drepanosaurs

For a story I require an intelligent [drepanosaur]. But to work with the plot the creature needs to still have traits that don't mix well with classical vertebrate evolution of intelligence. ...
15
votes
1answer
163 views

Music Dragonfly via Perforations in Wings

Info I'm designing a prehistoric-dragonfly that has little holes or perforations in its wings. When the wind flows through them, they make music (the viability of flying with these wings will be ...
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2answers
190 views

Could a species develop the tech necessary to land on their own moon without comprehending light?

Inspired by a brief comment converstaion found here. I would like to investigate the design and development of an alien species whose technological development did not include an understanding of ...
2
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2answers
191 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 ...
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1answer
105 views

Human Genome, does it hold “secret/lost/inactive” Code shared with animals VIA our Common Ancestors? [closed]

I seem to remember reading that in the human genome there's a lot of "inactive" code, codons that might have been useful millions upon millions of years ago but now have no effect on the human body as ...
7
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1answer
130 views

What would make a good dog/wolf foot in mountanous terrain?

What characteristics (compare those of a mountain goat foot: good grip on rocks, doesn't slip off, etc) would the foot of a dog or a wolf need to have to be useful in rocky settings such as mountains (...
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4answers
191 views

How would eyes that evolved in air differ from our own?

In one of the documentaries he's featured in, Neil deGrasse Tyson talked about the evolution of the eye. https://www.youtube.com/watch?v=4SXHMm5I-68 The part that's always intrigued me is this: ...
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1answer
134 views

How dangerous would this pyromancer be? [closed]

A pyromancer has the ability to increase or decrease the temperature of both objects & air within 57,600 square feet. No matter what the object is the character can manipulate it as long as it's ...
6
votes
2answers
246 views

Keratin wings: would they work?

Bird wings are made mostly of feathers, and there's about a million articles out there on that subject. Bats, on the other hand, have wings made largely of skin and bone. These are flexible, giving ...