Questions tagged [reptiles]
For questions about cold blooded vertebrates that include snakes, lizards etc.
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How big can a sea turtle get? [duplicate]
So, I'm working on a bestiary and I want to fill the oceans of my world with big greatures, but keeping plausibility by respecting the square cube law, the ecology niches the beasts might occupy, etc.
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What would a lizardly phonetic alphabet be?
The international phonetic alphabet system contains all sounds that a human can make. However, humans are not lizards, but mammals, and hence have many features that let us make more complex sounds
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Would a lizard-mounted cavalry be effective against pikes?
Would a cavalry force mounted on giant lizards be effective against unmounted pikemen?
The lizards are roughly horse-sized, with a large reptilian head which they keep down when they run. It seems ...
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Can a species with the ZW sex determination system be viviparous?
I imagined a hypothetical species of squamate from the Anguimorpha clade. They are my dragons. They are a rare example of viviparous nonmammalian tetrapod. However, like all anguimorphan squamates, ...
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Are humanoid hind legs compatible with reptilian tails?
Unlike mammals, reptiles lack gluteal muscles and instead have enlarged caudofemoralis muscles to extend the hindlegs. The humanoid legs, on the other hand, rely on the mammalian gluteals in order to ...
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Could flower heads be a sustainable primary food source for a species of omnivorous lizards?
While they 'technically' aren't lizards, these are very physiologically similar creatures that are pretty small (about the size of a hand) and lead very sedentary lives, mating opportunistically and ...
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If a species keeps growing throughout their 200-300 year life, what "growth curve" would be most reasonable/realistic?
In my fantasy world, I have the suchians, a race of reptilian humanoids that live for 200-300 years and keep growing throughout their lives. I am wondering what a reasonable "growth curve" ...
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How would domesticated semi-intelligent reptiles differ from mammals?
A common complaint I see about fictional reptiles is that they behave like mammals instead of reptiles. One of my cultures has almost exclusively reptiles (e.g. monitor lizard-like creatures) as pets/...
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Could Lizardfolk Wear Corsets? [duplicate]
Corsets are a useful piece of clothing. While they can be used to shape the body, they can also serve the purpose of supporting other clothing
While the shaping functionality is not useful to avians, ...
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Could These Reptungulates Run? [closed]
The reptungulates are a group of animals that are a combination of ungulates and herptiles. Externally, they resemble ungulates, but their limb have a reptilian anatomy with the shoulder and hip ...
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Could these Humanoid/Reptilian shoulders support legs?
The shoulders would combine the humanoid shoulder anatomy, which protrudes out of the body almost like a stalk, with a reptilian position, at the ventrolateral face of the torso. Because of the shape ...
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How dangerous would a green anole be to a human if it was 12:1 scale, 12 times bigger(barring the negative effects of the square-cube law)?
So I was thinking about a world where green anoles somehow get bigger(and change a bit), about 12 times their normal size. How much danger would an adult human be in if it got aggressive? In this ...
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Mesothermic clothes? [closed]
I've been agonizing over this for a while now.
In my world, there are a group of lizardmen called the Varal. They live in desert climates are mostly inspired by predatory lizards like Moniters & ...
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How could an alligator tie up its prey?
The alligators of my world are crocodilians with a variety of unique traits. One of these traits is that, instead of simply eating the prey it captures, they use 'ropes' of some description to bind ...
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Reptilian beauty standards
This isn’t limited to lizard folk but humanoid reptiles in general. The most common mistake I see when designing females of a reptilian race is to give them human breasts and proportions, despite them ...
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How long should an egg-laying species of human size and intelligence gestate and incubate its eggs?
In my fantasy world I have a species of reptilian humanoids.
Their body mass, lifespan and overall intelligence is about the same as humans. This probably means similarly sized brains.
They are NOT ...
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Lizardmen, gigantothermy, and the energy demand of resting muscles. Could it work out?
One common trope, associated with lizardfolk from Castlevania to Overlord, is their weakness to cold. Now, while it is a fun gimmick, it leaves the problem that lizardmen in Overlord are shown to be ...
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Reptilians shoulder/arm flexibility
I wanted to put some reptilian races in my world, but I'm not sure how to give them the arms needed to hold weapons. From what I can tell, reptiles don't have flexible shoulders like mammals, which is ...
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The Serina Series: Episode II: Crocodilians
In the first episode of this series, Cats, I asked if it's possible for all 600 million house cats to evolve different niches if they were the only amniotes in a terraformed world. Needless to say, ...
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How would a race of horizontal lizard men fight, and how would humans fight them?
This question is inspired by the video essay series "Fantasy Re-Armed" by Shadiversity on YouTube, where Shad explores typical fantasy races and what weapons they and their opponents ought ...
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could my Lizardfolk exist? [closed]
In a world I’m designing, a group of crocodile convergently evolved sapience becoming Lizardfolk. These are not D&D Lizardfolk, but something else. some basic characteristics of these Lizardfolk ...
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How can my reptile like creature spray blood from its eyes containing Capsaicin?
My creature looks like a Psittacosaurus, with spikes all around its body, it hisses and uses its tail whip as a first. As last resort it will squirt an aimed stream of blood from its eyes toward its ...
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recreational drug specifically for reptile?
I want to know is there a recreational drug that specifically affect reptiles, either natural or man made chemicals. Humans and if possible other animals species should not be affected by it even if ...
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harmless snake venom that causes muscle pain? [closed]
let say if this snake exist,
it's venomous but it's venom is not dangerous, but it can cause muscle
this snake uses this venom to kill small animals and uses also to make it attackers move slowly ...
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What if the Triassic-Jurassic Extinction Never Happed? [closed]
The Mesozoic era is mostly known for dinosaurs dominating the majority of the terrestrial niches for nearly the entire duration. Something lesser known is that the Triassic was actually mostly ...
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Weakspots of a Humanoid Iguana
Well. This is for a hard sci-fi fiction. The main protagonist, an Action Girl, has just met her sidekick: an humanoid Iguana (it makes sense and it is explained why Iguana-people people exist (has to ...
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Could Reptiles Be Simultaneous Hermaphrodites?
Reptile reproduction, it turns out, is more flexible than our own. Whiptails, a girls-only species, can lay unfertilized eggs without the need for a male. And Komodo dragons have recently been ...
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Geckos walking on two legs
I was thinking of a situation, in which there is a mass extinction that wipes out all large land animals, and after this mass extinction some of the descendants of modern geckos evolve to fill the ...
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Is it possible for a reptile to be amphibious?
So, I'm building this world where most of the lifeforms, for one reason or another, are reptiles. Now, I know there have been reptile dominant periods in Earth's history, so it isn't impossible for ...
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How to ride a giant turtle?
How would you design a saddle for a giant turtle (think rhino size) and a bridle, and how would you make it go, given that spurs or whip wouldn't really be an option with the shell?
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What effect cold climate could have on reptilean demi-humans?
In this world, there are reptilean demi-humans (like lizardmen and lamia) which are appearance wise half-human half-reptile, they live in coexistence with humans and other types of demi-humans. These ...
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How large could a giant turtle get?
Assuming a turtle or tortoise evolved adaptations to become large comparable to that of sauropods. How large could they become (in weight or potentially carapace size)? The turtle needs to be ...
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Why would a venomous snake squeeze its threat non-lethally?
This is a key part of my snakebite mystery story, which I am thinking of making part of a medical mystery series. I have been told that it actually is more life threatening to the snake for it to ...
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How would a deinonychus-like sapient species defeat humans in antique/medieval battles?
I'm currently designing an mesothermic reptilian sapiens for my world, that have evolved from a deinonychus-type of dinosaur and developed flexible hands with opposable thumbs, but still possessing ...
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What could a reptilian race tell by candling their eggs?
I've got a D&D-inspired setting, and one of the races present are yuan-ti. They're sentient snake people with a variety of forms, ranging from mostly human-looking to basically just a giant ...
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What would be a good size for rideable creatures? [closed]
I am making a world where the environment is much larger than the people who live in it, and is in a swamp setting. My problem is that I would like to have the characters riding on wild animals (fish, ...
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Is a reptile with diamond scales possible?
I thought of a concept for a dragon or similarly gigantic reptile with a special adaptation, in which they’re born with scales made almost entirely of carbon. Then, over an incredibly long life cycle, ...
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Helmet for a humanoid lizard
I am creating a species of humanoid lizard, and want to find a type of helmet that would be feasible within the story.
Info:
Tech level is basically hunter gatherer and nomadic, with a small bit of ...
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How to separate male and female members of a "lizard like" species
The Gaals are a satient humanoid race, of magic origin. They were created by the last of the dragons as a legacy of his race to the world. They are humanoid, but with no hair and scales all over their ...
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What sort of qualities might a tortoise-like animal the size of an Argentinosaurus need to support its own body?
I am wondering what kind of physical qualities (e.g. short, thick pillar-like legs) a creature such as this would need to support such an incredible size. The world that it evolves on is almost ...
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Aquatic lizard: Is being warm blooded essential?
Now, I know that most likely this 50 foot long aquatic lizard I mentioned in a previous question of mine would give live birth because reptile eggs and in fact any eggs really can't keep saltwater out....
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Would a monster size aquatic lizard be possible?
So, I am writing a comic which will perhaps grow into an entire series about a group of aquatic heroes. One of those heroes is a monster size aquatic lizard. The story of how this lizard came about is ...
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on sentient reptiles/ectotherm behaviors [closed]
so, I was searching and reading things about reptiles trying to build a guideline for any kind of cold blooded peoples/aliens
I still have a hard time finding precises idea on how temperature ...
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How Would a Filter-Feeding Marine Turtle Feed?
Back home, many large planktivores have ingenious ways to trap food and not water. For sharks like the basking and the megamouth, that is no problem, as they have modified their gills into rakers to ...
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Intelligent wyvern's weapons and armors
Wyverns in this world are intelligent creatures (similar to humans), capable of communicating among themselves.
They are reptilians, cold blood, with hands capable of manipulating, and wings that, at ...
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How To Tell a Turtle Sans Shell [closed]
On our Earth, what makes a turtle a turtle is its ribcage widened and fused to create a tough, protective shell. In comparison to other reptiles, alive or extinct, the turtle design has got to be the ...
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Is the evolution of my aliens realistic?
So, I have thought about the evolution of my aliens and how they could evolve things like lactation but still retain their reptilian characteristics.
Here is my best thought about it so far:
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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.
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Intelligence development: Plausible?
This is another question about my aliens who have both reptilian and mammalian characteristics.
Now, I'm not talking about developing intelligence on evolutionary time scales but rather within ...
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How to determine whose child is which?
So, on the planet Qualis, the sole dominant sapient species, the Qualians, a reptilian species, has a problem. Their species are oviparous, and their eggs need heat and protection. Qualian mothers ...
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