The goldfish (Carassius auratus) is a freshwater fish in the family Cyprinidae of order Cypriniformes. It is commonly kept as a pet in indoor aquariums, and is one of the most popular aquarium fish. Goldfish released into the wild have become an invasive pest in parts of North America and Australia. [4] [5]

Mar 17, 2023 · Did you know that the ideal goldfish temperature can range from 60 to 80°F depending on the type you’re keeping? Here’s everything you need to know about goldfish care, including the basics of their biology, natural history and setting up the best tank for hearty and fancy types of fish!

May 31, 2024 · Interested in adopting a new goldfish? Learn all about the various goldfish breeds and choose the one that works best for your aquarium or pond.

Jan 17, 2025 · goldfish, (Carassius auratus), ornamental aquarium and pond fish of the carp family (Cyprinidae) native to East Asia but introduced into many other areas. The goldfish resembles the carp (Cyprinus carpio) but differs from its relative in having no mouth barbels.

Thank the Chinese for today’s beloved aquarium mainstay, the goldfish. A type of carp, goldfish were domesticated nearly 2,000 years ago for use as ornamental fish in ponds and tanks. They were...

Learn how to identify goldfish types by closely examining the various features of your pet goldfish and comparing them to this guide.

Start here if you want to learn about goldfish care. Find out about tanks, equipment, water changes, and what to feed your goldfish to keep them healthy.

2 days ago · Goldfish need a tank that provides adequate swimming space. A longer tank is preferable to a taller one since it offers more surface area and swimming room. Surface area influences the oxygen exchange in the water, which is crucial for goldfish health. Goldfish produce a significant bioload due to their size and eating habits.

Nov 12, 2021 · Goldfish are hardy species and good at tolerating many beginner's mistakes, but you will need to put in some effort to ensure their health and survival. They should not be kept in a fish bowl, but require an aquarium with proper water aeration and filtration.

The common goldfish is a breed of goldfish and a family of Cyprinidae in the order cypriniformes. Goldfish are descendants of wild carp from East Asia. [1] Most varieties of fancy goldfish were derived from this simple breed.