Betta fish begin as small eggs no bigger than 0.03 inches in diameter although within 11 weeks are approximately 1.9 inches long. By seven months old the Betta's fins have reached maximum growth and it's length will lie between 3 to 4 inches. It is important to keep in mind that the size and growth rate of your Betta ultimately depends on tank size and conditions along with … [Read more...] about Betta Growth From Birth