bubble

I have read about them, yet unable found any related. Brought a new tank days ago, fill it with the same water that I use for the smaller tank. clean it with only water + tissue & sponge (tissue, dirty black). then test if there is any leak or not. day pass no leak, but formed bubbles. for few...

I have 2 giant white gouramis 4 inch, 2paroon shark 7-8 inch and red paroot about 5 inch in 100 gallon aquarium. Today one of my gouramis swimming on top very lethargic, tilting as well, some white patches on skin as well. After a while she pull out small bubbles from his mouth and is...

Help! My Blue Acara had developed a bubble on the underside of his gill. I have never seen anything like this before :s.

My marbled motoro absolutely loves playing in the jet stream from the filter as well as the bubbles from the airstone. She is a silly girl!!