Betta Fish Stats Minimum Tank Size:2.5 Gallons (10 Litres) - 5 Gallon Recommended (19 Litres) Care Level: Easy Water Conditions: 6-8 pH and Soft to Hard Temperature: 23-30 °C (73-86 °F) Maximum Size: 3 Inches (8 cm) The fish commonly known as Siamese fighting fish - or simply as bettas, is actually made up of numerous species of fish that all share a similar body … [Read more...] about Betta Fish – The Care, Feeding and Breeding of Bettas (Siamese Fighting Fish)