Category: Tetras


  • If you have spent any time researching freshwater aquariums, you have almost certainly come across tetras. They are small, colorful, and, in most cases, remarkably peaceful.  For anyone building a community tank, tetras are one of the most reliable choices available. However, not every tetra species behaves the same way. Some are calm and easy…

  • Neon tetras are among the most beloved freshwater fish in home aquariums.  Their bright blue and red stripes can light up any tank. But when you notice tiny white dots appearing on their bodies, that feeling of pride can quickly shift to worry — and rightly so.  White spot disease is one of the most…

  • Neon tetra disease is one of the most heartbreaking conditions a fish keeper can encounter. You notice your once-vibrant fish losing color, swimming oddly, and slowly declining — and there is often little you can do once the disease takes hold.  Still, understanding the condition fully gives you the best chance of protecting your tank…

  • Neon tetras are among the most popular freshwater fish in the world. Their vivid blue and red stripes make them a centerpiece in almost any aquarium. But they are also surprisingly delicate. If your neon tetra is dying — or several have died in a short time — you are not alone. This guide covers…

  • The flame tetra (Hyphessobrycon flammeus), also known as Von Rio tetra or red tetra, is a freshwater fish from the Characidae family comprising the popular neon, emperor, and rainbow tetra. It originates in the Southeast region of Brazil, where they live in shallow rivers and streams. Flame tetras are a great addition to any aquarium;…

  • The rainbow tetra fish (Nematobrycon lacortei) is a freshwater fish classified in the order Characiformes and the Characidae family. It is believed to have been first discovered and described between the late 70s and early 80s. Fiishkeepers love rainbow tetras because of their beauty and peaceful demeanor. In this article, I’ll share my knowledge and…