Guides

Characidae

13 articles · All guides

Bleeding Heart Tetra (Hyphessobrycon erythrostigma)

A larger Amazon tetra with a distinctive crimson ‘heart’ spot — bold in a school, elegant in planted aquariums with soft water.

A soft yellow schooling tetra with a dramatic black dorsal fin — elegant, peaceful, and made for planted community tanks.

The aquarium’s living water-quality signal — a brilliant red nose and bold black-and-white tail that shine brightest in pristine, stable water.

A tiny flame-orange schooling tetra that lights up planted nano and community aquariums — peaceful, hardy, and happiest in a group.

The Black Morpho Tetra is a dramatic and elegant freshwater fish that has become increasingly popular in home aquariums due to its deep black color…

The Glowlight Tetra is one of the most visually striking and peaceful freshwater fish species, cherished by aquarists for its glowing orange-red st…

The Enigmatic Black Widow Tetra: Your Guide to Care and Beauty The Black Widow Tetra, scientifically known as Gymnocorymbus ternetzi, is a captivat…

Among the many fascinating freshwater species available in the aquarium trade, few are as intriguing—or as misunderstood—as the Bucktooth Tetra…

Buenos Aires Tetra: Exploring the Charms of Hemigrammus Caudovittatus The Buenos Aires Tetra, scientifically known as Hemigrammus caudovittatus, is…

The Luminous Cardinal Tetra (Paracheirodon axelrodi): A Gleaming Jewel for Your Community Aquarium The Cardinal Tetra, scientifically known as Para…

Discovering the Columbian Tetra: A Splash of Color in Your Aquarium If you’re an aquarium enthusiast looking to add a burst of color to your tank…

The Radiant Neon Tetra (Paracheirodon innesi): A Small Fish with a Big Impact The Neon Tetra, scientifically known as Paracheirodon innesi, is a ti…

Unveiling the Alluring X-ray Tetra: A Glimpse into an Aquarium Gem If you’re in search of an enchanting and mesmerizing addition to your aquarium…