The Aquarist’s Edge [Weekly Aquarium Podcast]

Planaria in Shrimp Tanks: Causes, Identification, Safe Removal & Long-Term Prevention

In this episode of The Aquarist’s Edge, we examine the world of planaria in shrimp tanks - what they are, why they appear, and how to keep them under control. If you’ve ever spotted these flatworms gliding across your aquarium glass and worried about the safety of your shrimp colony, this episode will give you the clarity and tools you need.

From identifying planaria versus harmless detritus worms, to understanding how they impact baby shrimp, to proven natural and chemical control methods, this episode is packed with expert guidance and practical tips. You’ll also learn long-term prevention strategies to keep your shrimp tanks balanced and thriving.

Whether you’re struggling with a current infestation or simply want to be prepared, this is a helpful guide for every shrimp keeper.

Music: "Swaying" - Candelion (Epidemic Sound: https://www.epidemicsound.com/music/tracks/b99559b7-b6ca-4bd8-b1d0-682f3c9411bf/)

 

How to Set Up the Perfect Guppy Tank - Temperature, pH, Hardness & Tank Size Guide

We take a look at how to set up the perfect guppy tank. From the ideal tank size to the right temperature, pH, and water hardness, you’ll learn everything you need to create a stable environment where guppies thrive.

Whether you’re a beginner struggling with constant guppy losses or an experienced aquarist looking to refine your setup, this episode is packed with scientific explanations, practical home aquarist tips and advice to help you succeed.

Click here for more guppy care episode: Guppy Care Playlist on YouTube (Aquarist's Edge episodes)

Music: "Just One More Day" - Kikoru (Epidemic Sound - https://www.epidemicsound.com/music/tracks/b59a9f47-4f3f-3dd2-85be-c8d1fab2f725/)

Tannins Explained: Blackwater Aquariums, Fish Health, and the Science of Tea-Stained Water

“Tannins Explained” takes you into the science and beauty of blackwater aquariums. In this episode of The Aquarist’s Edge, Art explores what tannins are, where they come from, how they influence water chemistry, and why so many softwater fish thrive in tannin-rich environments. From driftwood and Indian almond leaves to peat and alder cones, learn exactly how tannins transform your tank and how to use them safely.

Whether you’re curious about why your driftwood stained your tank, how tannins lower pH, or which fish species benefit most from blackwater setups, this episode is packed with clear explanations, troubleshooting advice, and practical aquascaping tips.

Mentioned in this episode: The Tint podcast: https://tanninaquatics.com/pages/inspiration

Music: "West Coast Dreams" - Ben Curtis (Epidemic Sound: https://www.epidemicsound.com/music/tracks/07feeb8f-922a-4e5c-9a99-6737dba094f1/)

Betta Sorority Tank Guide: Proven Do’s, Dangerous Don’ts & Science-Backed Success

Art breaks down everything you need to know about setting up and maintaining a Betta sorority tank; with a focus on real-world success and scientific accuracy. Whether you're planning your first Betta community or you've tried before and struggled, this episode provides a guide into female Betta behavior, tank setup requirements, and the critical do’s and don’ts that make or break a sorority.

From territorial psychology to line-of-sight aquascaping, we explain why most Betta sororities fail and how yours can succeed. You’ll also learn how to troubleshoot aggression, interpret tank dynamics, and know when to pull the plug on a failing group.

🎧 Perfect for beginner and intermediate freshwater hobbyists looking to keep multiple female Bettas in one tank, the right way.

 

Music: "Evergreen Fields" - Tape Machines (Epidemic Sound -https://www.epidemicsound.com/music/tracks/dbb5e762-9514-4f84-a6c1-1ba9f274ec2b/)

Aquarium News of the Week - 30 August 2025

Welcome to this week’s edition of The Aquarist’s Edge, your trusted source for freshwater aquarium news and insights. Join Arthur Preston as we explore ten fascinating stories that connect science, conservation, and the home aquarium hobby.

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🔍 In This Episode:

🐟 Bumblebee catfish caught on camera climbing waterfalls in Brazil
👁️ Blind cavefish that have survived without light for over 11 million years
🐠 The giants of the Mekong River are shrinking fast
🌱 The IAPLC 2025 Finals — the world’s biggest aquascaping event
🎣 A fresh look at Cupid Cichlids and their family tree
🌿 Nutmeg oil as a safe way to calm fish during treatment
❄️ Breeding secrets of the cold-water burbot
🌊 Why lampreys need free-flowing rivers to spawn
🌍 The Yangtze River shows us that stability is more important than perfection
🧠 What zebrafish are teaching us about social behavior

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📌 Sources & Further Reading:

1. Thousands of bumblebee catfish captured climbing a waterfall (LiveScience)
   👉 https://www.livescience.com/animals/fish/thousands-of-bumblebee-catfish-captured-climbing-waterfall-in-never-before-seen-footage

2. In the dark for 11 million years: How blind cavefish rewrote the timeline (ScienceDaily / Yale)
   👉 https://www.sciencedaily.com/releases/2025/08/250828002412.htm

3. Shrinking Mekong megafish underlines risks to the river, study finds (Mongabay)
   👉 https://news.mongabay.com/2025/08/shrinking-mekong-megafish-underlines-risks-to-the-river-study-finds/

4. International Aquatic Plants Layout Contest (IAPLC 2025) — Official English Site
   👉 https://iaplc.com/e/

5. The first complete mitochondrial genome of Biotodoma cupido (Frontiers in Genetics)
   👉 https://www.frontiersin.org/journals/genetics/articles/10.3389/fgene.2025.1623517/full

6. Using machine learning to predict anesthetic dose in fish with nutmeg oil (Frontiers in Veterinary Science)
   👉 https://www.frontiersin.org/journals/veterinary-science/articles/10.3389/fvets.2025.1652115/full

7. Reproductive ecology of burbot (Lota lota) in the Great Lakes (Northern Michigan University Thesis)
   👉 https://commons.nmu.edu/theses/764/

8. Identifying novel sea lamprey spawning locations in unimpounded rivers (Frontiers in Freshwater Science)
   👉 https://www.frontiersin.org/journals/freshwater-science/articles/10.3389/ffwsc.2025.1584751/full

9. Drivers of fish community structure in the Yangtze Basin (Environmental Research – ScienceDirect)
   👉 https://www.sciencedirect.com/science/article/abs/pii/S0013935125019139

10. Zebrafish neurodevelopment and social behavior study (Communications Biology – Nature)
    👉 https://www.nature.com/commsbio/articles?year=2025

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📺 About the Show

The Aquarist’s Edge brings you weekly freshwater aquarium news, science discoveries, and practical tips for aquarists of all levels. Whether you’re a planted tank enthusiast, a breeder, or a beginner, you’ll find inspiration and insights to keep your fish thriving.

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Music: Pool Sticker – Dylan Sitts (Epidemic Sound – https://www.epidemicsound.com/track/EwXrPyvCvY/)

Live vs. Fake Aquarium Plants: Pros, Cons, and Care Tips for Every Aquarist

In this episode of The Aquarist’s Edge, Art explores one of the most debated questions in freshwater fishkeeping: live plants vs. fake plants. Should you choose natural greenery that supports your aquarium’s ecosystem, or go with artificial plants for convenience and simplicity?

We break down the pros and cons of each option, from aesthetics and maintenance to water chemistry and fish health. Learn why live plants help reduce nitrates, improve oxygen levels, and control algae. Discover when fake plants might actually be the better choice. Plus, we troubleshoot common problems like plant melt, algae overgrowth, and cleaning artificial plants so you can avoid the most frustrating pitfalls.

Whether you’re setting up your first aquarium or upgrading to a lush aquascape, this episode is packed with practical tips, scientific insights, and aquascaping strategies to help you succeed.

Music: "We Were Dancing In The Dark" - Loving Caliber (Epidemic Sound - https://www.epidemicsound.com/track/swLZ5f3Aa5/)

5 Beginner Mistakes That Kill Fish

In this episode we tackle the six most common, and preventable, mistakes that lead to fish deaths in freshwater aquariums. From skipping the nitrogen cycle to trusting clear water without testing, this episode delivers the science and strategy every beginner aquarist needs.

You’ll learn:

• Why fish die suddenly in new tanks,

• How ammonia poisoning works and how to stop it,

• Why small tanks aren’t easier (and often deadlier),

• How to build habits that support long-term fish health.

Whether you're setting up your first aquarium or fixing mistakes from your last one, this episode is a must-listen for hobbyists who want to do it right.

Music: "Nylon String Theory" - Candelion (Epidemic Sound: https://www.epidemicsound.com/track/MelONMmV4K/)

Heater-Free & Filterless Aquariums: How to Build a Balanced Low-Tech Tank

In this episode of The Aquarist’s Edge, Art explores the fascinating world of heater-free and filterless aquariums. Can fish really thrive without equipment? Yes! When you understand how to balance plants, substrate, and stocking levels, your tank can become a self-sustaining ecosystem.

You’ll learn the science behind natural filtration, temperature tolerance in fish, and how to set up a low-tech aquarium that works with nature instead of against it. We’ll cover planting strategies, substrate choices and manual maintenance routines. 

Whether you’re curious about natural aquariums, low-tech fish tanks, or creating a sustainable setup without expensive equipment, this episode will guide you step by step.

👉 Leave a review to help more aquarists discover the show!

Music: Run Devil Run (Instrumental version)- Eden Maze (Epidemic Sound - https://www.epidemicsound.com/track/IOTFnMzKv8/)