The world of fishkeeping is filled with fascinating species, but few combine the elegance, hardiness, and personality of the Black Skirt Tetra (Gymnocorymbus ternetzi). Also known as the Black Widow Tetra, this South American characin is a classic and exceptionally popular choice, especially for those just starting in this exciting hobby. Its adaptability makes it…

In the world of fishkeeping, some fish are true legends, and the White Cloud Mountain Minnow Chinese Neon Fish (Tanichthys albonubes) is undoubtedly one of them. Often nicknamed “the poor man’s neon” for its low cost and its juvenile shimmer similar to the Neon Tetra, this moniker does it no justice. This small and energetic…

Few fish can generate as much curiosity and wonder as the Glass Catfish (Kryptopterus vitreolus). As its name suggests, this inhabitant of the calm waters of Asia has an almost completely transparent body, allowing a clear view of its spine and internal organs. This unique feature, along with its elegant swimming style and long sensory…

In the diverse world of aquarium fish, few silhouettes are as unmistakable as that of the Hatchetfish. With its laterally compressed body and deep, curved chest, its shape perfectly evokes the tool it’s named after. Native to the calm basins of Central and South America, especially the Amazon, these fish are the undisputed kings of…

A group of Tropheus in a properly set up aquarium can display over a dozen distinct color variants, each tied to a specific location on Lake Tanganyika’s shoreline. In practice, that’s exactly what makes Tropheus cichlid care one of the most rewarding — and unforgiving — projects in freshwater aquaristics. Get the diet wrong and…

You walk down the aisles of your local fish store and pass by a tank full of silvery, slender, and rather plain-looking fish. They don’t catch your eye. Weeks later, you see a photograph of a fish with a red so intense it looks like a miniature salmon, or one with a perfect gradient from…