All good goldfish keepers take the time to learn about their pets. Knowing more about goldfish helps us to take better care of them.
Why not start by learning the 12 mistakes most new goldfish-keepers make?
You can also explore diseases, like swim bladder disease, and learn how to prevent them.
Plus, do you know the difference between goldfish and koi? Where goldfish come from? And whether or not they have tongues?!
Our Goldfish Facts & Info articles are where you can learn all of this and much more about your goldfish.
Introduction to Goldfish Size When considering the size of your goldfish, it’s essential to recognize that their growth potential far exceeds what many expect. The common goldfish can often reach lengths of up to 12 inches or more in optimal conditions, while the fancy varieties typically grow to about 6 to 8 inches. Understanding goldfish … Read more
Introduction To Betta Fin Rot vs Fin Loss Betta Fin Rot vs Fin Loss – what’s the real difference? If you’re a Betta fish enthusiast, you may have noticed that your fish’s fins can sometimes appear damaged, frayed, or deteriorating. But is it Betta fin rot or just a case of fin loss? Understanding the … Read more
Introduction To Guppy Fin Rot Guppy fin rot is a common yet serious condition that can affect your guppy fish, leading to damaged fins and potentially life-threatening infections if left untreated. Understanding how to prevent and treat guppy fin rot is crucial for any responsible fish keeper. This condition is typically caused by bacterial infections … Read more
Introduction to Goldfish Pond Care Caring for goldfish in an outdoor pond offers a unique and rewarding experience. Goldfish pond care requires understanding key factors to maintain a healthy environment for your aquatic pets. A well-maintained pond ensures that goldfish thrive, showcasing their beauty in a natural setting. Goldfish are among the hardiest fish species, … Read more
Introduction to Fish with Big Teeth Fish with big teeth are a fascinating and sometimes intimidating subject of study for anglers and marine biologists alike. These fish, known for their impressive and often fearsome teeth, can be found in both freshwater and saltwater environments. One of the primary characteristics that make these fish stand out … Read more
Introduction to Goldfish Brain Myths The myth that goldfish have a memory span of only seven seconds is widely believed, but is it true? This misconception about the goldfish brain has been perpetuated by media and popular culture. In reality, the goldfish brain is far more complex than many think. Numerous studies have shown that … Read more
Introduction to Goldfish With Mouth Open The sight of a goldfish with its mouth open all the time can be concerning for any aquarist. Understanding why your goldfish’s mouth is stuck open is crucial for ensuring the health and well-being of your aquatic pet. At The Goldfish Tank, we’re dedicated to providing accurate and actionable … Read more