The Aquarist’s Edge [Weekly Aquarium Podcast]

Why Won’t My Pregnant Guppy Give Birth?

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 ge

Dear Agony Aunt (Your Fish Send In Their Complaints)

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

Sand, Gravel or Aqua Soil? Choosing the Right Substrate

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 corydor

10 Things Every Aquarist Wishes They Knew Sooner

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 s

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

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 mean

Apology for unedited upload - 12 September 2026

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

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 reput

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

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 f

Is Fishkeeping Really An Accessible Hobby?

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

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

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

The Most Important Questions To Ask Before Choosing An Aquarium Fish

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

5 Simple Changes For A Healthier Freshwater Aquarium

A healthier aquarium does not always require expensive equipment or complicated treatments. In this episode Art explores five simple adjustments that can improve water qu

No Aquariums Allowed? How to Be a Fishkeeper Without Owning a Tank

What happens when you love aquarium keeping, but your landlord says no tanks? In this episode of The Aquarist’s Edge, we explore how to negotiate aquarium restrictions re

5 Most Common Fish Diseases and How To Treat Them

In today's episode of The Aquarist's Edge, Art explores the five most common fish diseases every freshwater aquarist eventually faces: white spot (ich), fin rot, fungal i

Aquarium Burnout Is Real - How To Recover Without Quitting Fishkeeping

Has the aquarium that once helped you relax started to feel like another source of stress? In this episode of The Aquarist’s Edge, Art explores aquarium burnout, fishkeep

Aquarium Perfectionism: How to Stop Comparing Your Fish Tank and Enjoy the Hobby Again

A healthy aquarium does not need to look like a flawless social media post. In this episode of The Aquarist’s Edge, Art examines how aquarium perfectionism develops, why

Keeping Indoor Fish Outdoors

Can you move indoor aquarium fish outdoors for the warmer months? In this episode of The Aquarist’s Edge, Art explores how to keep freshwater aquarium fish outside safely

Best Schooling Fish for Home Aquariums (Shoaling vs Schooling Explained)

Ever bought “schooling fish” and watched them split up into little cliques? In this episode of The Aquarist’s Edge, Art breaks down the real difference between shoaling v

Unusual Everyday Foods You Can Safely Feed Freshwater Aquarium Fish

In this episode Art explores unusual everyday foods that can be safely used as occasional treats in a freshwater aquarium. From courgette, cucumber, peas, spinach, pumpki

Why Guppies Are So Fun to Keep - Colour, Personality, Easy Care & Fry Surprises

Guppies are more than “beginner fish"! They’re colourful, interactive, and endlessly entertaining in a home freshwater aquarium. In this episode of The Aquarist’s Edge, A