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The Goldfish Tank
  • Care
  • Tanks
  • Equipment
  • Food
  • Water
  • Types
  • Health
  • Facts
  • Plants
  • Ponds

  • Cartoon of a goldfish in a tank during a water change
    First Goldfish Tank Guide
  • A cartoon goldfish in a fish tank
    Goldfish Tank Size Guide
  • A cartoon goldfish in a fish tank
    What is the nitrogen cycle in a fish tank?
  • Tamasaba Goldfish guide
    Tamasaba Goldfish: Care Guide, Lifespan and More
  • Jikin Goldfish Care guide, lifespan and more
    Jikin Goldfish: Care Guide, Lifespan and More
  • Watonai Goldfish
    Watonai Goldfish: Care Guide, Lifespan and More

Tank Mates for Goldfish

  • A red and black male guppy swimming alongside a yellow female
    Guppies and Goldfish: Can They Live Together?
  • A purple and white betta fish on a blue background with some green plant leaves
    Goldfish and Betta Fish: Can They Live Together?
  • A brown snail in front of green plants
    Do goldfish eat snails? Or can they live together?
  • A yellow Mystery Snail with a brown shell
    Mystery Snails & Goldfish: A love or hate relationship?
  • A cartoon of a goldfish looking at a smaller fish
    How to choose fancy goldfish tank mates
  • A corydoras catfish about a dark background
    What fish can live with goldfish? 18 great tank mates!

Tank Conditions

  • Cartoon of a goldfish in a tank during a water change
    First Goldfish Tank Guide
  • A cartoon goldfish in a fish tank
    Goldfish Tank Size Guide
  • A cartoon goldfish in a fish tank
    What is the nitrogen cycle in a fish tank?
  • Cartoon of a goldfish swimming over some pebbles
    What is the Best Substrate for Goldfish? 4 Great Options
  • Cartoon of a goldfish squashed into a tank that is too small for it
    Can goldfish live in a bowl? Why bowls are cruel
  • Goldfish in aquarium
    How to acclimate goldfish into a quarantine tank

Goldfish Food

  • A goldfish swimming on a dark blue background
    How often to feed goldfish: Get a healthy schedule now!
  • Goldfish care: don't overfeed your goldfish!
    Holiday food for fish: How to feed your goldfish while you’re on holiday
  • Cartoon of a goldfish choosing between bags of flake food or pellets
    Goldfish pellets: The best way to feed fish pellets
  • A goldfish eating food from a frozen block of ice
    Frozen and live foods for goldfish
  • Cartoon of a goldfish choosing between bags of flake food or pellets
    Flake foods versus pellets
  • Cartoon of a goldfish eating bloodworms from a packet
    What do goldfish eat? 6 things to feed your goldfish

Goldfish Diseases

  • Cartoon of a goldfish with fish pox
    Goldfish fungus: Types of fungus, causes and treatments
  • An orange goldfish with black ammonia burn patches resting on gravel at the bottom of a fish tank
    Is Your Goldfish Turning Black? 4 Reasons Why & What You Should Do
  • A goldfish sitting at the bottom of a tank
    Why is my goldfish sitting at the bottom of the tank?
  • A goldfish with damaged and congested fins
    Congested fins in goldfish
  • Cartoon of a goldfish suffering from Costa disease
    Goldfish and Costia
  • Cartoon of a goldfish with leeches
    Goldfish and leeches

Goldfish Care

Goldfish Food

Latest Comments

  1. Lewis German on How do goldfish mate? And how to make goldfish mate in a tank2022-07-01

    Hi Heather, thanks for your comment, Sometimes this does happen and a goldfish can be what is called "egg bound"…

  2. Lewis German on Goldfish Ponds: Keeping goldfish in a pond guide2022-06-30

    We recommend that you add a chemical dechlorinator to tap water, as they remove harmful contents other than just chlorine…

  3. Lewis German on Goldfish Care: An Introduction to Caring for Goldfish2022-06-30

    Hi Penny, thanks for your comment, An important thing to remember when you are new is not to overcomplicate things…

  4. Penny Cole on Goldfish Care: An Introduction to Caring for Goldfish2022-06-29

    What should I do? I am new to keeping goldfish. I have a 37 gallon tank and I started cycling…

  5. Lewis German on Oranda Goldfish: All you need to know2022-06-23

    Hi Boni, thanks for your comment, Its interesting to hear about the behaviour of your goldfish, Sadly the overgrowth of…

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