Algae is a very common problem. It's caused by two things: light and excessive waste. If you run lights over an unplanted tank, or you tank gets...

Probably the most important and most variable product is the filter. The general consensus on this board is that AquaClear filters are by far the...

For most people, especially beginners, one inch of fish per gallon of tank space is a quite good rule. This means that the total of all the fish in...

Cycling is a very important part of setting up any aquarium. It is essential to keeping fish happy and healthy. If you have a filter and fish,...

If your fish has numerous small white bumps all over it, it probably has Ich, or white spot disease. See NOTE: In goldfish, small tubercles can form...

If your fish is hiding too much or is very skiddish, it is probably living in fear of something. Make sure no other fish are harassing it, and that...

In goldfish, this is quite common. Goldfish have a genetically predetermined colour, but they also have genetically predetermined colour changes...

If you don't know the very basics of maintaining your tank, or if you take everything out and wash it about once a month, please read Basic...

With livebearers, there is really very little to breeding. Most of them just need some gadget to ensure they won't eat their fry. Just keep males...

In this case, a google search is always best. Even if you have some very specific problem, odds are good that someone has had it and written on it....

Here, a google search will tell you everything there is to know about a species. Searching by species name will yield the most hits. To find the...

If you're going away for up to a week, they'll be fine. Do a water change about 24 hours before you leave and clean things up a bit, feed them a...

I can give you a quick, general list: Tank, filter, some sort of cover, (cardboard will do for us poor folks) and gravel. That's really it, I...

If you've just set up your aquarium, you're going to have to get used to the sound. You should only really be able to hear it when it's totally...

You may have picked the wrong fish. Some fish are very territorial, like the Betta and most Cichlids. Male livebearers, especially Platies...

Many fish jump naturally, such as Bettas, Endlers, Swordtails and Hatchetfish. Generally, all aquariums should have a cover, because...

Most filters should have a sort of cage over the intake that will prevent fish from being sucked in. If it's missing, cover the intake with a bit if...

We get this question a lot here at petfish.net. While a very valid question, it's hard to answer. There are at least several hundred possible...

While opinions vary, there are two fish that are generally considered the best fish to start out on. While you're learning, you'll make mistakes....

Aquarium keeping is not as simple as it looks. A fish in a bowl is not going to have a good time. If you are suffering from mysterious deaths, and...