Questions tagged [parasites]

For questions about organisms that feed off living hosts without consent or reimbursement.

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2
votes
3answers
127 views

What would be the most effective way for a parasitic alien lifeform to spread and grow on a post-apocalyptic Earth?

The background is that Earth is the victim of a massive comet strike, that wipes out a large portion of humanity (let's say 80-90%). Let's say that the comet was carrying an alien parasite that's a ...
14
votes
3answers
2k views

Could a cockatrice have parasitic embryos?

I had an idea to make cockatrices "realistic" (as in make a bit more sense) for what ever reason the noble cockatrice has evolved to use other species eggs for its own. It does this by "sitting" on ...
5
votes
3answers
226 views

A parasite that infects humans who are over the age of 25

I want to know if the disease I invented is logical or just a total fiction. A parasite (parasitic fungus) lives within the human brain. It infects other humans by releasing spores while invoking ...
1
vote
2answers
101 views

How would a cursed mask work? [closed]

I want to write a novel in which the main antagonist has a cursed mask that determines his "mischievous" attitude. Why would a symbiotic mask attach itself on this guy and make him bad (except from ...
5
votes
8answers
5k views

How long could a human being survive after being swallowed by a whale?

In the short story, a man is swallowed by a giant, fictional fish. In fact, he is swallowed whole along with his log cabin and a bunch of hand-crafted tools. In a "The Martian"-like narrative, he ...
8
votes
1answer
401 views

Could The Thing take over the world?

In the critically acclaimed horror film, The Thing, Blair determines that if the Thing was to reach civilization, it would take over all life on Earth in only 27 000 hours or a bit over three years. ...
4
votes
3answers
288 views

The plausibility of a mind-controlling and genome-altering pentastomid

CONTEXT/EVOLUTIONARY HISTORY A book that I'm currently writing called Surge features an enemy faction called the Degenerates that are heavily inspired by the Scythians (Indo-Iranian horse nomads that ...
10
votes
5answers
798 views

How plausible is a parasite that reverts hybrids back to a primal state of mind?

In the story I have been writing and asking questions for, the main conflict is parasites. What I have so far is that the parasite lives dormant inside of "pure-bred" aliens (which have softer brains),...
2
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4answers
764 views

How to identify a new species?

If a parasitic creature was discovered, how would officials determine whether that parasite was a new species or an existing parasitic species? How long would that process take? Assume the species ...
2
votes
3answers
216 views

How could a parasitic organism spread through humans?

I have an idea for a crazy super-organism which could wipe out the human race. Essentially, it is an organism (plant or fungus or bacterium depending on what would be more effective or what would be ...
42
votes
8answers
14k views

Could a plant grow on a restrained, living human?

My question is: Could a macroscopic (e.g. visible) plant grow on a living human, provided that the human is completely immobilized?
9
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4answers
563 views

What conditions would lead a hyperparasite (whose host is itself a parasite) to develop civilization?

A hyperparasite is "a parasite whose host is itself a parasite" and is the closest analogy to an apex predator in the ecology of parasites. Human sociability, intelligence and status as apex predators ...
7
votes
2answers
622 views

Why would a parasite evolve sapience?

Parasite are very unusual creatures, their entire livelihood relies on an unwilling host to allow them to live, some parasite even control the creature itself! Despite this, to my knowledge, there are ...
8
votes
4answers
411 views

What's a good structure for biological parasitic mind control

So I thought up this alien parasite that enters through the mouth (usually of a predator) where it attaches to the throat and simultaneously takes control of the brain and replaces the esophagus of ...
6
votes
2answers
256 views

Alien aliens, parasitic spreading of the young

What kind of a society would exist for an intelligent species that lays it's eggs/young in a host to gestate/grow? We have the spider wasps which paralyze their prey and lay eggs. While sometimes ...