How Many Neon Tetras Can You Keep in 20 Gallons?
A 20-gallon tank is an ideal sized home for between 10 and 15 Neon Tetras. Neon Tetras can grow up to 2 inches in length. The general rule of thumb for fish under 3″ is that you can keep 1″ of fish per gallon of water. Let’s discuss how many tetras you can keep with … Read more