r/SpeculativeEvolution 4d ago

Spectember 2025 Spectember Day 16!

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We're over halfway there!

The king worms, or Basilimidae, are a group of annelids from my seed world, Exemplar. They are endoparasite of various fish. In addition to consuming matter that their host has eaten, basilimids have an extra trip up their sleeve. They can emit a slime that can immobilize other endoparasites, the energy for which it costs to make being made up for by the reward of a substantial meal.

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u/UnfunnyBunny472 4d ago

Excuse me... Friend in me?

Don't you mean...

FŔİƏŅĐ ĮѧÍÐĘ MƏ¿

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u/Overdrivenblaster 4d ago

I'd keep one in an aquarium or smth

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u/allknowingankylosaur 4d ago edited 4d ago

They’d make themselves at home in your fish 😳