Tank Size Over 55 Gallons 25 Gallons or Larger 10 Gallons or Larger Under 10 Gallons Ease of Keeping For Beginners Moderate Expert Only Swim Level Bottom Dweller Middle Level Top Level All Levels Tank Set Up Dense Plants Rocks, Plants and Bog Wood Rocks Only Gravel Only Sand Only Lighting Direct Sunlight Bright With Occasionsional Sunlight Bright, With No Direct Sunlight Dark As Possible