Episodes

The recently released documentary film entitled "Aquariums: The Dark Hobby" shines a light on the marine aquarium hobby's impact on Hawaii's reefs and the broader marine ecosystem. In this episode of The Aquarist’s Edge, we journey from marine coral reefs to freshwater riverbeds, uncovering what eth...

In this episode of The Aquarist’s Edge, we explore the art and science of building a vibrant planted aquarium without CO₂ injection. Learn how to choose the right plants, lighting, substrate, and layout strategies to create lush growth with minimal tech and maintenance. Whether you're a beginner or ...

In this week’s episode of The Aquarist’s Edge, we’re taking the mystery out of guppy genetics and turning it into a clear, beginner-friendly guide for hobbyists who want to breed stunning guppies right at home. From dominant and recessive genes to punnett squares and strain development, this episode...

In this episode of The Aquarist’s Edge, we explore the use of aquarium salt - one of the most powerful, misunderstood tools in freshwater fishkeeping. From the science of osmoregulation to practical treatment techniques, we break down what salt does, when to use it, and when it can do more harm than...

In this episode of The Aquarist’s Edge, we explore the slimy, often misunderstood layer of microbial life known as biofilm. We learn that is absolutely essential to the health and balance of your aquarium. From its critical role in biological filtration and nutrient cycling, to how it feeds shrimp, ...

In today’s episode of The Aquarist’s Edge, we explore 10 incredibly useful tips for keeping your Cherry Shrimp healthy, colourful, and thriving. Whether you're starting a new colony or troubleshooting mysterious disappearances, this episode explores everything you need to know - from tank setup to f...

Interview with Tristan Fourie (@SimplyAquaticCT). In this episode of The Aquarist’s Edge, host Arthur Preston sits down with Tristan Fourie to discuss his journey in the aquatic hobby and his expertise in freshwater shrimp breeding. From starting out in fishkeeping to building a top-class shrimp roo...

In this episode of The Aquarist’s Edge, we explore how to revitalize your aquarium fish through proper diet and supplementation. From DIY fish food recipes to nutrient-packed commercial supplements, this episode is your complete guide to enhancing your fish’s health. We break down the essential nutr...

Are angelfish the graceful beauties of the aquarium world, or are they secretly little troublemakers? In this extended episode of The Aquarist’s Edge, we explore the behaviour of angelfish, their natural instincts, and what causes them to turn aggressive. From ideal tank setups to managing aggressio...