Labryrth fish have an amazing extra breathing organ called a Labyrith Organ, which stores moist atmospheric air from the water surface. This is very useful when you swim in muddy low moving water with little if not any dissolved oxygen.
The most popular labyrith species are bettas and gouramis which are colourful and mainly peaceful families of fishes. A common misconception is that the communal Siamese Fighting fish is agressive, but only to its own kind.
Most gouramis are bred in Asia at a neutal pH and hardness so a pH range of 6.5 -7.5 is tolerated. There are a few exceptions so keep an eye on our fish features.
Labyrith fish can be kept with most community species, with some great little fish for mincro aquariums available.