Siamese fighting fish, or Betta splendens, are hardy, beautiful fish that are available in many colours and varieties. One of the most popular fish kept worldwide due their minimal care requirements, including their ability to be kept in small tanks with no filtration. Bettas are able to breathe air from the surface of an aquarium owing to a specialised organ known as the Labyrinth Organ.Grows to: 7cmDiet: Carnivores – Tropical pellets/flakesTemperature: 22-28 °CpH: 6.0-8.0Temperament: Semi-AggressiveCompatibility: Male Betts are aggressive towards other male Bettas and fish with a similar appearance, they can be kept in tropical community aquariums with larger Tetras, Catfish, Rasboras or other peaceful fish.