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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7
votes
2answers
368 views

Alien skin substitutes

I'm trying to write hack-ish (As in, I'm a hack) science fiction that is realistic except where it is inconvenient to me. That being said, animals are not an area I want to handwave. I want the ...
3
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2answers
365 views

Ultimate Chimera [closed]

Questions See Mew, a legendary pokemon from Pokemon universe, it is claimed to contains the DNA of all pokemon ever lived. Is it possible there can be a lifeform on Earth that can also claim similar ...
6
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3answers
648 views

Lifeform that perspires fire

Is an alien lifeform covering itself comfortably in flames as a defense mechanism to wane off predators possible? I've heard of microbes surviving the extreme condition of outer space in complete ...
3
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11answers
438 views

How do you capture this magical critter?

[Critter's descriptions] (D1) appearance closely resembles a cat (D2) no bigger than a dog (D3) toothless (D4) strange claws to climb any surfaces (D5) powerful hind legs can sprint like a cheetah (...
2
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4answers
160 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 ...
18
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8answers
2k views

Magivore - designing a magic 'eater'

Yes, magic means I can say 'make it so' and it is. But I see too many options and not sure which ones would make more sense. I'm picking one idea that I've never seen in a book. So a Magivore is ...
53
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25answers
8k views

Lifeform - resistant to gunfire but vulnerable to melee

Is there a plausible makeup for a lifeform which is highly resistant to even very advanced firearms (or any ranged weaponry for that matter), but can be injured more readily (albeit still a major feat)...
5
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5answers
520 views

Creatures that can “Displace” themselves

So throughout all, or almost all, editions of Dungeons and Dragons, there is a creature called the Displacer Beast whose primary ability is to make itself appear as if it were a few feet from where it ...
31
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15answers
12k views

Can telepathy and telekinesis exist in biological creatures?

I would like to create a sentient creature with telepathy and/or telekinesis. Can either (or both) of these concepts exist biologically? If yes, what would the biological mechanism be? Would a ...
17
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5answers
886 views

Most effective way to camouflage a visible physical connection on a creature that uses part of its body as a lure?

I have toyed with the idea with a certain creature in my head for quite some time, and with the creature design challenge, I thought this would be a great time to ask about it here. The basics of the ...
17
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8answers
2k views

Creature with a non-centralized brain

I've always found animal intelligence to be fascinating, particularly that of the cephalopods, some of which show some pretty remarkable talents for tool usage, mimicry, and pattern recognition. ...
4
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2answers
384 views

How to ensure my Hulk's survival

So in the Marvel universe, the Incredible Hulk is a "hero" that looks like a normal dude until he gets angry and becomes a huge green monster. Ignoring the fact that the way he became the Hulk would ...
10
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9answers
4k views

Could insects evolve that could create a hole in a stone wall within a day?

I'm finally actually participating in the weekly topic challenges, instead of just helping run them. Let's say that there's a siege around a small series of fortifications that comprise the only ...
7
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5answers
348 views

Animals for weightlessness

OK, so humanity is going to space, and they are going to take farm animals into space, not only humans on earth value meat, but humans in space do, too. However, they don't want to waste precious ...
2
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0answers
194 views

Death to humans by deadly monsters [closed]

Those pesky humans. We, Evil Overlords have a tough job with them. They can be set to slaves, but only for relatively short period of time. They promise you loyalty ... and snap! There is a knife ...
8
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5answers
774 views

Evolution of a predatory antlered cat?

I am developing an antlered cat, and looking for some help determining the evolutionary advantages and disadvantages of certain physical characteristics. The world is earth-like, and this particular ...
11
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1answer
792 views

Breathing lightning

This question is partly a nod to the current fortnightly challenge. In many fantasy settings and resources, there are creatures capable of, or described as, breathing lightning. How might a creature ...
21
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12answers
3k views

Multigeneration ship pet

Earth is dying. We mis-managed it and brought the whole ecosystem to the edge of total collapse. About 50 years ago, we decided to move humankind to another planet, and now we are almost ready. A big,...
9
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3answers
2k views

We saw that in orbit…wait, how did it get down here?

My entry for the fortnightly topic challenge: You are a space explorer. You are visiting this weird habitable planet in the Alpha Centauri System as part if the first manned expedition to another ...
24
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11answers
2k views

Earth, Wind, and Water: Naturally Navigating All Three

There are few things cooler than a fish that can walk on land, or a rodent that can fly, but despite all the amazing adaptations evolution has seen fit to create upon this Earth, I cannot think of an ...
28
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11answers
8k views

Asymmetrical animals

Virtually all animals on earth ranging from insects through to swimmers, fliers, mammals and reptiles, have a symmetrical body plan. In other words legs and wings come in pairs, as do most sensory ...
9
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5answers
697 views

Evolutionary Explanations for Dragon Firebreathing: Interesting uses of indigestion

This is a question I've been thinking about for a while now. Dragons are, by all observances related to the reptile family, (or maybe lizards) either way these are cold blooded animals. Common ...
15
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6answers
2k views

How to Strengthen Bones

This is inspired by our third fortnightly challenge, but a question I've had for a while anyways. Bones are seriously complex structures. Far more complicated than most structural materials humans ...
25
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7answers
4k views

Intelligent Cats With A Serious Attitude Problem

Ligers tend to grow to near 1200 lbs (550 kg). As if that weren't bad enough, that mad tree-hugger xenobiologist, Deirdre Skye, grafted just enough human-derived genetic material to make them a heck ...
17
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3answers
909 views

Sharks with frickin' lasers!

Yes, this is about Dr. Evil's dream: Sharks with frickin' lasers. Except that the lasers would not be artificially attached, but be part of the animal itself (bio-lasing instead of simply ...
23
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10answers
3k views

A Human Hunter with Sonic Powers?

As part of Fortnightly topic challenge #3: Creature Design I am looking for a realistic way to create a particularly nasty creature. What I would like: A creature that is capable of emitting a ...
18
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2answers
2k views

How would an ocean of jello evolve

I watched a youtube video on the Darwin IV probe mission to this planet has lower mass than the earth, about the size of Mars, and has a single sea. According to the movie, the microbes that resided ...
8
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1answer
405 views

Dangerous salty creature killing the triffids

This question is inspired by book The Day of the triffids and this question Russia and USA have never been really "friends", lets admit it. So we will not be surprised, that one of them (pick your ...
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5answers
5k views

Science to justify fire breathing animals? [duplicate]

How exactly can I justify fire breathing animals? I mean, how would they do it in a scientifically and physically possible way?
44
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9answers
11k views

How could I scientifically explain ice breath?

I'm sure there have been questions on here about fire-breathing dragons, and I recently saw a question about a lightning-breathing dragon, but back in fifth grade I wrote a 150-page story about a ...
8
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4answers
215 views

How much Sociality is required for a Population to develop Technology?

It seems that most of the technological development of humanity is dependent on our ability to form a society. The sharing of ideas and building on the discoveries of others is how we have advanced. ...
18
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8answers
2k views

Science behind a naturally invisible creature

Suppose a planet developed a peculiar form of life that was naturally invisible, but only within a 15-ft. (4.57 m) radius, by bending or refracting the majority of light around its body due to its ...
32
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6answers
4k views

Evolution of species with separate sapient and non-sapient forms?

This question is inspired by the last paragraph of my answer here: Negating the negative effects of childbearing (A follow up question to this can be found here: Methods to ensure gene flow in ...
9
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1answer
856 views

How can glass people survive?

I have been trying to imagine a world which was also created by a Big Bang. Following is something that I have created so far: Another planet which was created also has species like us but they live ...
9
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2answers
403 views

Would a gelatinous mass be possible?

In the world I have been working on my planet has a gelatinous mass of cells coexisting but not a technical single creature. It bridges the gap between single celled and complex and it grows in size ...
8
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2answers
687 views

The strength of gemstones

Somewhat related to this question, now that we've established how useless gold is as anything (wow I was such an idiot), what about crystals? For instance, something like the diamond armor from ...
9
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3answers
723 views

The “Golden” Horde

In Hellboy 2, the titular protagonist and his party face up against a so-called 'Golden Army', which consisted of golden colored automatons who could constantly rebuild themselves after death. For my ...
11
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10answers
2k views

Pack animals for forests

My setting takes place in a densely forested continent, with huge trees and rushing rivers. The problem is that this forest stretches on for thousands of miles, only occasionally punctuated by some ...
4
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1answer
108 views

Sympathetic links with flight

I am adding dragons to my current world. However my world currently uses a sympathetic style of 'magic' and qualifies to the laws of thermodynamics (much to 'The Kingkiller Chronicles'). In this case, ...
26
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18answers
6k views

How could ghosts be explained without an afterlife?

I've always loved well-done ghosts. However, I've always hated the afterlife-speculation that they engender if used in a story. So I need a way to get ghosts without the fluffy spiritualistic bits. ...
38
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4answers
9k views

How to make a realistic 'giant'

Imagine a race of what we would call 'giants', each of them possibly around 8 to 10 feet (2.40-3.00 meters) tall. What differences would they need compared to us regular humans in order to function? I ...
12
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7answers
2k views

Could a non-material living being exist?

I'm imagining an electromagnetic wave that could deliberately alter its wavelength. It would be a totally unfamiliar type of creature, but actually, we material beings act because of the electical ...
3
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3answers
740 views

Human survival without eating

In this question, the most "realistic" idea is to have the human have an oxygen tank strapped to his back and connected to his nose at all times (preferably through a mask of some sort). However, this ...
16
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6answers
2k views

Would a species evolved for very high environmental pressure necessarily die in lower pressures?

I'm aware that deep sea fish don't actually "explode" when brought to the surface but any air sacs in their bodies would expand and cause them possibly fatal damage. However, what other physiological ...
12
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5answers
3k views

Alien race similar to human but without anything in common

(First of all, perhaps this is a duplicate of this question, but I'll give it a go since I'd like to focus on something different. Or the answer is there but I couldn't quite catch it. Oh boy... *...
17
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7answers
7k views

What could make an insect race intelligent?

TL;DR: I want a society which behaves as a hive. Is it plausible and how to achieve this? The setup: Different planet in our universe. In other words: Normal, physical rules apply, there is no magic ...
17
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3answers
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 ...
14
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1answer
1k views

How does animal size affect individuals' agility and speed?

This question is a bit of an outgrowth of Can you simply scale up animals?, but it does approach it from a different angle. "All else equal" (which it of course never is, but we're good at pretending ...
14
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7answers
839 views

An enviroment where a bird-like creature can survive on passive feeding

The question about a diet of dust brought up a few creatures that survive on dust, however they were all insect-sized or smaller. This got me thinking about the Blue Whale, which survives on a diet of ...
9
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6answers
4k views

Human/alien breeding generating an alien

I hope my question isn't too vague or broad. It's a follow-up to this one. So, we have a human (genetically modified in order to support life on another place, from previous question) on an alien ...