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About us
Fish & Aquariums
How to Care for Freshwater Fish
Get tips on caring for your freshwater fish and maintaining your freshwater aquarium.
What to Know Before Buying an Aquarium
Flashing in Aquarium Fish
Freshwater Aquarium Fish Diseases
8 Steps to the Perfect Aquarium
Our free guide can help keep your tank clean and your fish healthy. Get it free when you sign up for the Spruce Pets!
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Pictus Catfish Species Profile
German Blue Ram Species Profile
Guppy Fish Species Profile
How to Clean a Fishbowl
Neon Goby Fish Species Profile
Comet Goldfish Species Profile
Swordtail Fish Species Profile
Stocking Your Aquarium Evenly With the Correct Number of Fish
Cotton Wool Disease in Freshwater Fish
Oscar Fish Species Profile
Arowana Fish Species Profile
Dropsy in Aquarium Fish
How to Treat Gas Bubble Disease in Freshwater Fish
Suckermouth Catfish Species Profile
57 Great Names for Your Pet Fish
Swim Bladder Disorder in Aquarium Fish
Getting Started with Freshwater Fish
Stocking Your Aquarium Evenly With the Correct Number of Fish
Blood Parrot Cichlid Fish Species
How to Determine the Sex of Your Fish
Blood Parrot Cichlid Fish Species
White Cloud Mountain Minnow Fish Species Profile
Feeding Your Fish Live Food
Difference Between Chlorine and Chloramine
How to Determine the Sex of Your Fish
Aquarium Lighting Basics: the Case for LED Fixtures
Barb Species Habitat and Care Information
Lighting Requirements for Live Plants in Community Aquariums
Guidelines for Stocking Your Aquarium
Buying an Aquarium for a Child or Teen
How Size Affects Aquarium Weight
South American Leaffish Species Profile
Hard Water and Aquarium Fish
Water Changes in Your Aquarium
How to Seed a New Aquarium
Guide to Killifish
In this section
Getting Started with Freshwater Fish
Freshwater Fish Breeds
Health & Wellness of Freshwater Fish
Freshwater Fish Aquariums & Habitat
Water Quality in Freshwater Aquariums
Freshwater Aquarium Algae & Pest Control
Feeding Your Aquarium Fish
Mosquito Control Fish, Gambusia Holbrooki, H. Formosa or the Guppy.
How to Culture Your Own Infusoria at Home
Buenos Aires Tetra Fish Species Profile
Aquarium Water Factors to Control for Healthy Fish
Black Widow Tetra Fish Species Profile
Can I Use Outdoor Gravel or Rocks in an Aquarium?
What Is Old Tank Syndrome?
Using Live Plants in Your Home Aquarium
Black Ruby Barb (Purple-Headed Barb) Fish Species Profile
The Anatomy of Fish
Clown Loach Fish Species Profile
Dwarf Gourami (Flame Gourami) Fish Species Profile
Bubbles on Aquarium Water: Causes and Cures
Yoyo Loach Fish Species Profile
Harlequin Rasbora (Red Rasbora) Fish Breed Profile
Freshwater Fish Breeds
Arowana Fish Species Profile
Neon Goby Fish Species Profile
Swordtail Fish Species Profile
How to Preserve the Slime Coat on Fish
Are Aquariums Safe?
Fish Food Nutrition and Vitamins 101
Common Fish Names Beginning With O
Bristlenose Pleco Fish Species Profile
Texas Cichlid (Rio Grande Perch) Fish Species Profile
Culling Aquarium Fish
All About the Characin Family of Fish and Home Aquariums
How to Test the Water in Your Fish Tank
Kissing Gourami (Kisser Fish) Species Profile
Glowlight Tetra Fish Species Profile
Swimming, Balance, Oxygen and Food Consumption in Fish
Serpae Tetra Fish Species Profile
Silver Dollar Fish Species Profile
Pearl Gourami Fish Species Profile
Forktailed Rainbowfish Species Profile