A leading resource for fish keeping advice | It's A Fish Thing

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Why is My Fish Tank Cloudy?

A poorly looking red betta fish in an empty hospital tank

17 Betta Fish Diseases, Symptoms and Treatment Guide

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The History of Betta Fish

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Betta Fish Tank Size: What Size Tank Do Betta Fish Need?

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The History of Goldfish – From Ancestors to Modern Day

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How to Choose the Best Substrate for Betta Tanks

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Betta Fish Feeding Guide : What & How Often Should You Feed Your Betta?

Betta Fish in a Bowl

Do Betta Fish Need a Filter in Their Tank?

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Do Betta Fish Need a Heater?

Elephant ear betta fish

Do Betta Fish Need Light? Dark? How Many Hours Per Day?

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How to Cycle a Fish Tank: Easy Step-by-Step Guide

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How to Change Aquarium Water – Quickly and Safely for Your Fish

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Do Goldfish Need Light? And Darkness? How Much Of Each?

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8 Best Places to Buy Koi Fish Online in 2021 – Japanese, Butterfly, Baby Koi and more!

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3 Aquarium Filter Media Options That Will Make Your Life Easier

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150+ Goldfish Names: Ideas for Unique, Cute & Funny Fish

open book

6 Best Goldfish Books in 2021 – Reviews & Top Picks

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Do Goldfish Sleep? Here’s How to Tell by these 3 Strange Habits

Butterfly Goldfish

Butterfly Goldfish

Lionhead goldfish

Lionhead Goldfish

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How to Tell the Gender of a Goldfish: Top 5 Methods to Sex Your Fish

An orange and black goldfish in a planted tank

Why is my Goldfish Turning Black? Is it Natural? Or Cause for Concern?

goldfish bowl

3 Best Large Goldfish Bowls (Plastic, Glass & Acrylic) in 2021 – Reviews & Top Picks

pomacea diffusa : blue snail

Blue Mystery Snail: Care Guide + Where to Buy (Pomacea Diffusa)

bloated dropsy goldfish

Goldfish Dropsy: Treatment, Causes & How to Identify this Disease

goldfish in bowl

Goldfish Bowls in History: Fascinating Historical Articles

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Can Goldfish Live in a Bowl? Here’s the Surprising Answer

2 betta fish in tank

Why Do Betta Fish Fight Each Other?

fishbowl

Fish Bowl FAQ

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8 Best Places to Buy Goldfish For Sale Online in 2021 – Reviews & Top Picks