If you do not remove the female, and she is not a good hider, the male may kill the female while defending the eggs in the nest and later the fry (baby fish). You dont need the tank to be very tall about six inches will do. The fertilized eggs are collected and taken into the net where they remain for a couple of days. However, if two of the gourami are "kissing," they likely belong to the same sex, and are fighting for dominance. So, it is easy to determine their spawning time because of this behavior. Your tank filter is perhaps the most important piece of equipment you have, so be sure to keep it clean as part of your routine maintenance schedule. Alternatively, you can use a 10-gallon breeding tank for hatching. By a day or two, you'll be able to found eggs if the pregnant gourami is fully matured. In some gourami species, females have a more rounded dorsal and anal fin (along the spine and near the anus), while the males have a more pointed one. It is a semipermeable membrane, which means that air and moisture can pass through its pores. answer. Whether youre looking to populate your own tank or make a little money on the side, breeding gouramis is a great experience. Remember that the bubble nests are very sensitive and can be ruined by water movement. Two days after that, baby fry will be free swimming. A female gourami can lay a large amount of eggs, up to 800. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/d\/db\/Breed-Gouramis-Step-1-Version-2.jpg\/v4-460px-Breed-Gouramis-Step-1-Version-2.jpg","bigUrl":"\/images\/thumb\/d\/db\/Breed-Gouramis-Step-1-Version-2.jpg\/aid619026-v4-728px-Breed-Gouramis-Step-1-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"