Karl the Fish Guy

Karl the Fish Guy Fishkeeper and aquarist for over 30 years. "Water too pure, breeds no fish"
- Hong Zicheng 菜根譚 c.1596 Will you join me?

Lifelong fishkeeper and aquarist, returning from a multi-year break from the fish hobby and pet trade. I now write about my fishkeeping experiences, while rekindling my love for the hobby/trade that I have spent the majority of my adult life doing. To sum it up, welcome to the chronicle of my fishkeeping adventures, past and present.

15/05/2026

In this episode down in South Florida, we visit Trey. Trey has traveled thousands of miles to collect fish for his fishroom. His goal is to collect all the f...

15/05/2026

A YouTuber built a custom acrylic aquarium to fit under his dual monitors, complete with fish, crabs, snails, and live plants.

15/05/2026

Swimming among the corals of the Great Barrier Reef is a fish that could be a doppelganger for the famous Sesame Street character Mr. Snuffleupagus. This bright orange-red, hairy, long-snouted ghost pipefish is a new species that has been hiding in plain sight for years, often confused with other gh...

15/05/2026

Amazing G. ternetzi "GMO Widow" Tetra from my 2025 Sri Lanka trip! This farm was in Rerukana. Will post more from here, in time.
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- https://linktr.ee/karlthefishguy

13/05/2026

We repeat: Lasers and sharks.

Ok then...
13/05/2026

Ok then...

Yes, you read that right.
(And you can read more about it in the comments!)

13/05/2026
23/01/2026

"She had been in the lab and recognized how to identify fishes, and said that's something valuable that we have to preserve.”

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Alberton

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