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]

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.

Mar 17, 2023 · A comprehensive guide to goldfish care, including details on their natural history, anatomy, biology, ideal aquarium set-ups and water conditions!

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.

Nov 12, 2021 · Learn the proper way to take care of a goldfish, including correct environment, inhabitants, diet, and maintenance.

Mar 21, 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. …

Goldfish are generally split into 2 broad categories. The first category being the single-tailed variety (non-fancy) i.e single caudal and anal fin. And the second category is the double-tailed variety (fancy). That said, however, there are more than …

The Goldfish is a species of domestic fish best known for its bright colors and patterns. Humans have bred into these fish an immense number of mutations and variations over the past thousand years.

Whether you’re a beginner in fishkeeping or an experienced enthusiast, you’ll find practical advice, detailed information on goldfish types, feeding your goldfish, breeding, and tips for maintaining a healthy and balanced aquarium.