Season 2

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 aquar...

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 helpi...

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 th...

In this episode of The Aquarist’s Edge, we break down the true economics of aquarium keeping using simple but powerful financial tools like ROI, break-even analysis, NPV, and amortization. Whether you're deciding between a budget heater and a premium one, or wondering if a canister filter is worth i...

In this episode we take a critical look at one of the most persistent myths in the hobby: that air bubbles from your filter automatically mean your fish are well-oxygenated. Spoiler alert: they don’t. We uncover the science behind gas exchange, explain why surface agitation matters more than you thi...