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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.

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Glowlight Tetra

These fish get their name from their iridescent coloring that shows best in low light. Learn how to care for the glowlight tetra.


New Butterflyfish Species Discovered Just Swimming in a Tank

A new butterflyfish species was discovered while it was just cruising around its tank at the Steinhart Aquarium. Learn more at HowStuffWorks Now. See more »

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

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 »

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

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

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 »

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

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

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 »

Freshwater Aquarium Fish

Choosing fish for a freshwater aquarium depends on many factors, including diet and size. Check out profiles of freshwater fish at HowStuffWorks. See more »