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370 guides · Page 5 of 62
Detailed image of a Giant Gourami fish swimming in an aquarium, showcasing textures and patterns.

Fishes / Habitat

Sparkling Gourami: A Fish You Can Actually Hear

The sparkling gourami is the smallest commonly kept gourami, rarely exceeding four centimetres, with an iridescent scattering of blue and green spots over a warm pink-tan body that genuinely sparkles

2 min read

A mesmerizing view of a school of fish swimming amidst lush aquatic plants in a freshwater aquarium.

Fishes / Habitat

Julii Cory: A Name Often Sold in Name Only

The true julii cory carries fine, distinct black spots scattered across a pale body, similar in general effect to the panda cory's markings but spread more evenly, and comes specifically from Peru. It

2 min read

Colorful coral reef with diverse marine life in an aquarium setting.

Fishes / Habitat

Choosing the Right Substrate for a Saltwater Aquarium

Substrate is the material lining the bottom of the tank, and in a saltwater aquarium it does more than fill space. It houses beneficial bacteria, supports burrowing fish and invertebrates, and in some

3 min read

Close-up of a colorful blue cichlid fish swimming in a lush freshwater aquarium.

Fishes / Habitat

How to Control and Prevent Algae in Your Fish Tank

Almost every aquarist runs into algae at some point, and the honest truth is that a small amount is actually a sign of a functioning ecosystem rather than a failure on your part. The goal is not to el

3 min read

A vibrant pink fish swims gracefully alongside lush aquatic plants in a freshwater aquarium.

Fishes / Health

Understanding and Overcoming Gas Bubble Disease in Fish

Gas bubble disease is one of the less commonly discussed aquarium ailments, largely because it is less common than issues like ich or fin rot, but it is worth understanding since it stems from somethi

3 min read