The Aquarist’s Edge [Weekly Aquarium Podcast] podcast artwork
Kids & Family

The Aquarist’s Edge [Weekly Aquarium Podcast]

by Arthur Preston
Pets & AnimalsKids & Family

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Latest episodes

  • Why Won’t My Pregnant Guppy Give Birth?

    October 11, 2026 · 16 min

    Has your guppy looked ready to give birth for weeks, with still no fry in sight? In this episode Art explains why a pregnant guppy might not be giving birth. He covers gestation, stored sperm, the late-pregnancy signs to watch for, and how…

  • Dear Agony Aunt (Your Fish Send In Their Complaints)

    October 3, 2026 · 17 min

    What would your fish say if they could send you a voice note? In this episode, a goldfish in a bowl, a betta in a vase, a nipped angelfish, a lonely neon and a few others write in to an aquarium agony aunt with the problems they face most…

  • Sand, Gravel or Aqua Soil? Choosing the Right Substrate

    September 25, 2026 · 30 min

    Did you choose the stuff on the bottom of your tank by colour? Most of us did, but your substrate affects your water chemistry, your plants, and whether fish like corydoras and eartheaters can feed the way they're built to. This episode…

  • 10 Things Every Aquarist Wishes They Knew Sooner

    September 20, 2026 · 15 min

    Why did your first fish die within days of setting up the tank? It's called new tank syndrome, and it's just one of ten hard lessons this episode covers. Whether you're setting up your very first aquarium or you've been in the hobby for…

  • Cross-Breeding Aquarium Fish: What Actually Happens When Species Mix

    September 12, 2026 · 13 min

    Can you actually cross-breed aquarium fish, and would you even want to? This episode looks at where hybridisation really happens in the freshwater hobby, and what it means for the fish and the fishkeeper when it does. Art works through…

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  • Apology for unedited upload - 12 September 2026

    September 12, 2026 · 1 min

    What a rookie error! This is a short apology to all those who happened to listen to the very raw unedited version of Series 3 Episode 31 earlier today...

  • Coldwater Tanks CAN Have Plants: Here's What Actually Survives

    September 6, 2026 · 13 min

    Can you actually grow plants in a tank with no heater? In this episode of The Aquarist's Edge, Art breaks down why coldwater and goldfish tanks developed such a bad reputation for plants and which ones genuinely thrive in them. He works…

  • How to Actually Improve Fish Colour (Diet Isn't the Whole Story)

    August 29, 2026 · 15 min

    Can better colour really be trained into a fish, or is it mostly down to luck and genetics? In this episode of The Aquarist's Edge, Art breaks down what actually drives fish colouration, from diet and water quality to lighting, substrate…

  • Is Fishkeeping Really An Accessible Hobby?

    August 15, 2026 · 17 min

    Is fishkeeping really an accessible hobby, or is it more demanding than it first appears? In this episode of The Aquarist’s Edge, Art looks at the true cost of freshwater fishkeeping, the space and time an aquarium requires, the physical…

  • Corydoras Care Guide: Tank Setup, Feeding, Water Parameters & Healthy Cory Cats

    August 10, 2026 · 17 min

    Corydoras are some of the most popular freshwater catfish in the aquarium hobby, but keeping them successfully involves far more than simply adding a few "bottom cleaners" to your tank. Art covers the essentials of Corydoras care…

  • The Most Important Questions To Ask Before Choosing An Aquarium Fish

    August 1, 2026 · 14 min

    Choosing a new fish is one of the most exciting parts of freshwater fishkeeping but it is also where many long-term aquarium problems begin. In this episode Art explores the single most important question to ask before buying a fish, along…

  • 5 Simple Changes For A Healthier Freshwater Aquarium

    July 20, 2026 · 13 min

    A healthier aquarium does not always require expensive equipment or complicated treatments. In this episode Art explores five simple adjustments that can improve water quality, reduce algae, support healthier fish and make aquarium…

Full episode archive on Apple Podcasts →

About the show

The Aquarist’s Edge is your trusted source for all things freshwater fishkeeping. Hosted by Arthur Preston of Art’s Fish Room, this podcast dives into the latest aquarium news, expert advice, species spotlights, and practical tips for hobbyists of all levels. Whether you're breeding guppies or setting up your first tank, The Aquarist’s Edge brings insight, inspiration, and community to your fishkeeping journey.