Like HowStuffWorks on Facebook!

Animals | Pets | Aquarium Fish

Aquarium fish can differ from their counterparts in oceans and streams and owners should be aware. Learn about some common and not so common aquarium fish, such as the Egyptian Mouthbrooder, Penguin Fish, and Tiger Barb.

Featured
Neon Tetra

The neon tetra needs no light show to sport its small multicolored body. Read more about the very popular and colorful Neon Tetra in this article.


How much can a goldfish remember?

 How much can a goldfish remember?

Goldfish are not known for having particularly strong memories, but maybe they should be. Learn all about what goldfish can remember at HowStuffWorks. See more »

A Guide to Aquariums

 A Guide to Aquariums

Is there an aquarium in your backyard? Explore the alphabetical listings to find aquariums that are great for people and animals at HowStuffWorks. See more »

 Amazon Rising: Seasons of the River

Find special zoo exhibits which have been found to be outstanding. Find a guide for the perfect zoo visit at HowStuffWorks. See more »

How to Set Up a Saltwater Aquarium

 How to Set Up a Saltwater Aquarium

You love to watch saltwater fish and want to learn how to set up a saltwater aquarium. In this article you will learn how to set up a saltwater aquarium. See more »

How to Set up a Tank for Amphibians

 How to Set up a Tank for Amphibians

If you'd like to keep an amphibian as a pet, you'll have to learn how to set up a tank for amphibians. Learn how to set up a tank for amphibians in this article. See more »

The Ultimate Tropical Fish Quiz

 The Ultimate Tropical Fish Quiz

An aquarium full of tropical fish can be very beautiful. Take our quiz to learn more about the challenges of keeping tropical fish. See more »

The Ultimate Aquarium Cleaning Quiz

 The Ultimate Aquarium Cleaning Quiz

Have an aquarium that needs cleaning? Take our quiz and get some aquarium cleaning tips at HowStuffWorks. See more »

No More Muddy Waters: 5 Aquarium Cleaning Tips

 No More Muddy Waters: 5 Aquarium Cleaning Tips

Aquarium cleaning tips can cure your tank of muddy waters. Visit TLC Home to find 5 aquarium cleaning tips. See more »

Aquarium Fish Pictures

 Aquarium Fish Pictures

Not sure which fish to buy for your aquarium? Check out these aquarium fish pictures at HowStuffWorks. See more »

Diamond Tetra

 Diamond Tetra

Diamond Tetras look their best in a dark environment. Learn how to care for the beautiful Diamond Tetra, with a photo and habitat information. See more »