Mudstelle Species in Cathedris | World Anvil

Cathedris Themesong


Out-competing local wildlife

Muddy, slippery, slimey, disgusting annoyances they are.
— Bo, Kagana Fisherman, Resident of the Deep Bend
  Ravenous eaters, experts in camoflauge, and seemingly endlessly reproducing, Mudstelle are hardy fish native to Kazcallen and invasive to River Artazia's famous lake, the Deep Bend. Brought over to Artazia in a misguided attempt to help balance the ecosystem, they've begun to out perform every other species of fish within the lake, and many fear they'll begin to spread downstream soon too.    

The Wrong Solution

For the last decade or so, the Deep Bend had been under assault by an infestation of disease spreading insects. The pests spend months in larval form swimming within the lake, so an idea was put forth to introduce a new species of fish to the lake to feed on the larva and help thin the insects out. The Mudstelle, with their propensity to eat anything and their reproductive cycle localized within a single body of water, were introduced with the hopes of eradicating eradicating the bothersome pests by consuming them before they ever sprouted wings and spread sickness.  
As most ill-concieved plans regarding wildlife go, things took an unexpected turn for the worse. The Mudstelle as predicted made short work of the larva in the lake; but what wasn't predicted is that the new fish would also feed on every other small thing within the lake.   Insects, amphibians, and smaller fish all became food that the invasive Mudstelle happily fed upon. Soon they became the most numerous fish in the Deep Bend.
Did they eat the larva? Yes. Did it help? No, no it did not. Now we got bugs and endless fish we can't eat, can't use, can't do nothin' with.
— Bo, Kagana Fisherman, Resident of the Deep Bend


Alternate Names
Mudpuppies, Sludgefish
Life Span
2-3 years
1 week
Average Length
Average Weight
Deep Bend Population
Estimated to be approaching 200,000

Cover image: by Greg Nerantzakis


Author's Notes

phew, last one   This will definitely need more information added to it later. But it's done enough to count for summer camp, and that's allI need right now after such a busy month! Here's hoping I return to this article later to add a bit of polish and add a bit more info :D

Please Login in order to comment!
Jul 31, 2022 19:39 by Aster Blackwell

ah, it's your world's version of the Cane Toad

Aug 1, 2022 02:23 by Stormbril

Oh yeah! I suppose it is!   Every world needs a good invasive species meant to control pests but failing spectacularly :D

Aug 1, 2022 03:40 by Aster Blackwell

And one that also happens to be adorable, seemingly out of spite!

Aug 1, 2022 05:22 by Stormbril

But of course! That's the fine print under the rule, haha

Aug 12, 2022 14:44

Everything PrincessESH said. While I know it may not be as polished as you wanted it to be, you did a great job.

Feel free to stop by some of my WorldEmber articles if you want. My favorites are The Book of the Unquiet Dead, Outpost of the Moons, and The Emerald Hills. Feedback is always appreciated.
Aug 25, 2022 17:56 by Stormbril

Aw, thank you so much! I really appreciate it :)

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