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Labyrinth fish

Labyrinth fish have a special labyrinth organ which makes it possible for them to absorb oxygen directly from the air. This is an adaptation to a life in poorly oxygenated waters. A labyrinth fish will swim up to the water's surface and gulp down air. Labyrinth fish is found in three different orders: Channiformes, Perciformes and Synbranchiformes. In the order Channiformes, you will find the renowned Snakeheads in the genus Channa. In the order Perciformes, you find such famous members as the Siamese Fighting Fish and the Kissing Gourami. The last order contains a much less well known group of fishes which are seldom kept in aquariums. The species within the order Synbranchiformes are nocturnal eels that grow up to 100 cm / 40 inches long.

Profiles:
The Betta - Siamese Fighter
The Dwarf Gourami
The Kissing Gourami