After a two year break, the Photo Ace contest returns with ten excellent entries. Check them out and vote for your favorite photo (voting is limited to once per day). If you'd like to participate in a future contest, here's how to submit your photo.

Water changes are touted by some, and bashed by others. One common story used when debating the perils of frequent water changes is that they will kill the fish.

Is it true? Actually there is some truth to the story, but before you give up on water changes, learn the real reason why in some cases water changes do kill fish.

Photo © Shirlie L Sharpe

White residue on aquarium glass and equipment is an annoying fact of life. Here's an inexpensive and simple way to remove white residue from your aquarium.

Study this photo closely and guess where the Yo Yo loach got it's name. Bingo, you guessed it! The the pattern of Y's and O's adorning the flanks of this lively fish are a dead giveaway.

Yo Yos are fun to keep, and make a great addition to a community tank. However, they don't do well with all fish, so before you bring them home it's wise to read up on their care and habitat requirements.

Have you kept Yo Yo Loaches? Contribute to the profile by adding your own experiences. Your knowledge could help other owners!

Photo © Barbara Brooks