The Aquarist’s Edge [Weekly Aquarium Podcast]

From lowering blood pressure and improving sleep to easing anxiety and nurturing emotional balance, this episode investigates the research and shared experiences that show how aquariums affect the body, mind, and spirit. Drawing on studies from the University of Plymouth, Purdue University, and experts like Diana Walstad and Takashi Amano, Art reveals why the simple act of keeping fish can bring profound peace and wellness to your life. Whether you’re a seasoned aquarist or just starting your first tank, this episode offers practical insight, reflective storytelling, and real scientific evidence that will deepen your appreciation of the hobby and yourself. 🌿 Listen and learn how: Watching fish reduces stress and blood pressure Tank maintenance doubles as gentle, mindful exercise Aquariums provide emotional grounding and structure Fishkeeping fosters patience, empathy, and perspective Your aquarium can become a personal sanctuary for stillness 💬 Join the conversation: Has your aquarium helped your health or mental wellbeing? Share your story in the comments for this episode.  Referenced Studies & Sources Cracknell D. et al., “Viewing aquarium displays elicits a physiological and behavioural response.” Environment & Behavior (2015). https://pmc.ncbi.nlm.nih.gov/articles/PMC5081108/ Edwards N.E. & Beck A.M. “Animal-assisted therapy and nutrition in Alzheimer’s disease.” American Journal of Alzheimer’s Disease (2002). https://pubmed.ncbi.nlm.nih.gov/12365769/ Edwards N.E. et al., “The influence of aquariums on weight in individuals with dementia.” Journal of Nutrition Health & Aging (2013). https://pubmed.ncbi.nlm.nih.gov/23138175/ University of Plymouth, “Aquariums deliver health and wellbeing benefits.” (2015). https://www.plymouth.ac.uk/news/aquariums-deliver-health-and-wellbeing-benefits European Centre for Environment & Human Health, “Attention Restoration Theory – A Systematic Review.” (2017). https://www.ecehh.org/research/attention-restoration-theory-a-systematic-review/   ⭐ Call to Action: If this episode brings value to your day, please leave a rating or review. This helps The Aquarist’s Edge reach more fishkeepers around the world!   🎵 Music Credit: “Hearts” – Erik Fernholm (Epidemic Sound) https://www.epidemicsound.com/music/tracks/f073c9bd-8d62-4831-a631-bf7af7c3dcfd/    

Art explores the fascinating world of freshwater aquarium snails. Are they helpful allies or invasive pests? The truth lies somewhere in between. From Malaysian trumpet snails and ramshorns to nerites and mystery snails, this episode explores the most common species aquarists encounter, their benefits to aquarium ecosystems, and the potential problems they can cause. You’ll learn practical snail control methods, prevention strategies, and even how to care for snails as intentional pets. Whether you’re battling an unexpected snail invasion or considering nerite snails for algae control, this episode provides practical, science-backed advice to help you manage your freshwater tanks with confidence. 📌 Key Topics Covered: Types of freshwater snails in aquariums Benefits of snails: algae control, detritus removal, substrate aeration Problems with overpopulation and plant damage Snail invasion troubleshooting and population control methods Caring for mystery and nerite snails as pets Prevention: quarantine, plant dips, and smart feeding Snails as ecosystem indicators and their role in nature 💬 Enjoyed this episode? Please leave us a review and share your snail experiences with the community! Music: "Coffee Shop Date (Instrumental)" - Jaydan Talley (Epidemic Sound - https://www.epidemicsound.com/music/tracks/a856a9ec-35d6-313e-9178-c25534c8a33a/)  

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/)  

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” 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/)

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/)

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/)

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/)

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/)

In today’s episode of The Aquarist’s Edge, we unpack the critical role of nutrients in freshwater aquariums: from how they fuel plant growth to how they trigger algae when mismanaged. Whether you're dosing fertilizers, battling green water, or simply wondering if your plants are starving, this episode has the answers. We explore the full nutrient cycle, explain how feeding affects water chemistry, and provide expert tips on managing nitrate, phosphate, and other key elements. We clarify what "dosing" actually means and how to do it safely. ✅ Learn to balance nutrients for a healthy ecosystem ✅ Diagnose common plant deficiencies ✅ Discover how to stop algae before it starts 🎧 Listen now to optimise your aquarium like a pro! Music: 'Jazz Bars' - Dusty Decks (Epidemic Sound - https://www.epidemicsound.com/track/bOn1vkNE0X/)

In this episode of The Aquarist’s Edge, we explore the wild origins of guppies and how their native habitats in South America and the Caribbean should inform the way we care for them in aquariums. From the evolutionary pressures that shaped guppy behaviour to the environmental conditions they evolved in, this episode offers a naturalistic approach to guppy keeping rooted in science and ecology. 🌿 Explore guppy behaviour in the wild 📘 Discover the impact of selective breeding 💡 Build tanks that support natural guppy instincts   Music: Love Hour (Instrumental) - Adelyn Paik (Epidemic Sound - https://www.epidemicsound.com/track/SvhhJiSY4q/)

Do you think you know the Nitrogen Cycle? Perhaps there's more to it... In today’s episode of The Aquarist’s Edge, we unpack the full complexity of the nitrogen cycle — going far beyond the basics to explore the real science that powers your aquarium's biological stability.  Learn how nitrifying bacteria actually work, why oxygen levels and substrate depth affect your biofiltration, and how nature handles nitrogen differently than most aquariums. We also explore why “cycled” doesn’t always mean “stable,” and what really causes crashes in systems that seem fine on the surface. 🎧 In this episode: The real microbes behind your biofilter (and why Nitrospira matters) What makes the nitrogen cycle stall — and how to troubleshoot it Why deep substrate zones and plant uptake help in long-term stability Music: Back Of My Mind (Instrumental) - Melanie Bell (Epsidemic Sound - https://www.epidemicsound.com/track/ItS8aIXVHb/)

In this in-depth episode of The Aquarist’s Edge, we uncover everything you need to know about GloFish – the genetically fluorescent fish that have captured both curiosity and controversy in the aquarium hobby. Whether you’re wondering how GloFish glow, whether they’re ethical, or how to care for them properly, this episode has the science, facts, and expert guidance you’ve been looking for. We’ll walk you through the history of GloFish, how they differ from dyed or painted fish, what their genetic modification really means, and how to set up a thriving tank. We also tackle common problems, legal breeding limitations, and what responsible fishkeeping looks like in the age of glowing pets. Whether you're a beginner aquarist or a long-time hobbyist, this comprehensive guide will help you understand the glowing truth behind GloFish.

Are snails, shrimp, and algae-eating fish really the ultimate aquarium janitors, or have they been given an unrealistic job description? We uncover the truth behind the clean-up crew myth.  We explore what clean-up crews actually do, why they can’t replace maintenance, and how to use them effectively in your tank. Learn about common myths, troubleshooting exploding snail populations, preventing shrimp die-offs, and practical steps to balance your aquarium ecosystem without relying on mythical solutions.

Are you spending hundreds on bottled bacteria, clarifiers, or pH adjusters without real results? In today’s episode of The Aquarist’s Edge, we unpack the science behind these products, explore why biology, consistency, and husbandry matter more than marketing promises, and learn practical ways to keep your aquarium thriving. With insightful quotes from renowned aquarists like Diana Walstad, George Farmer, Rachel O’Leary, and Takashi Amano, this episode will make you think twice before buying another product to add to your aquarium. 

Goldfish are often seen as simple starter pets, but they’re so much more. In today’s masterclass episode of The Aquarist’s Edge, discover the true world of goldfish care. Learn their thousand-year history, the biology behind their unique needs, and detailed insights into goldfish varieties – from Commons to delicate Ranchus. Explore practical tank setups, powerful filtration strategies, goldfish-safe plants, feeding science, enrichment ideas, and solutions to common health problems to keep your goldfish thriving for decades.  

Ever feel like your aquarium has a mind of its own? In this episode of The Aquarist’s Edge, we dive into the strange and puzzling phenomena that leave even seasoned aquarists scratching their heads. From vanishing fish to ghost algae that appear and disappear mysteriously, we're uncovering the science and offering real solutions to ten of the most bizarre aquarium mysteries. Whether you’re haunted by cloudy water, dealing with plant meltdowns, or wondering how snails invaded your tank overnight, this episode delivers deep insights with practical advice. * Mentioned in this episode: What Is Biofilm?

In this episode of The Aquarist’s Edge, we unravel the mystery of disappearing guppy fry - why it happens, what you can do about it, and how to raise healthy, thriving generations of guppies. From the evolutionary biology behind fry cannibalism to practical, science-backed strategies that home aquarists can implement right away. Whether you’re dealing with an unexpected population boom or trying to save every last fry, this episode is packed with advice that will take your breeding skills to the next level. 💬 Have you faced fry disappearances? Share your story in the comments or leave a review—we’d love to feature your tip in a future episode! * Mentioned in this episode: Guppy Genetics Made Simple - Guppy Genetics Made Simple

In this episode of The Aquarist’s Edge, we explore the key differences between Caridina and Neocaridina shrimp - two stunning genera that dominate the freshwater shrimp hobby. From water chemistry and care needs to breeding difficulty, compatibility, and strain variety, this guide is all about helping you figure out which shrimp are right for YOU. Whether you're a beginner setting up your first tank or an advanced hobbyist chasing high-grade Caridina, this episode will give you the clarity you need. 🎙️ Which type of shrimp fits your aquarium goals and skill level? Let’s find out. Referenced in this episode: What is biofilm?

What if your fish could tell you how they feel? In this episode of The Aquarist’s Edge, we explore the fascinating world of fish behaviour; from ancient instincts to modern cognitive science. Discover what drives your fish’s actions, how to decode their body language, and what research (including the famous goldfish-driving-a-tank experiment) tells us about how intelligent and emotional these animals really are. Whether you’re keeping bettas, cichlids, tetras, puffers, or clownfish, this episode is packed with expert tips to help you observe, understand, and enrich your fish’s world. 🔬 Learn how fish think, feel, learn, play, and communicate like never before.