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How Many Medaka are in a 10 Gallon Tank?

Published in Aquarium Stocking 2 mins read

For a 10-gallon tank, it is recommended to keep a school of 6 to 8 Medaka Japanese Ricefish. This range provides an optimal environment for these active and social fish.

Understanding Medaka Stocking Recommendations

Medaka (Oryzias latipes), commonly known as Japanese Ricefish, are small, hardy, and peaceful fish that thrive when kept in groups. Maintaining them in a small school is vital for their overall well-being, promoting natural behaviors and reducing stress.

  • Schooling Needs: Medaka are social creatures that feel more secure and exhibit their natural schooling behaviors when kept with several companions. A minimum of 6 individuals ensures they can form a proper school, which is crucial for their comfort and health.
  • Minimum Tank Size: A 10-gallon aquarium is considered the minimum tank size necessary to comfortably house a small school of 6 to 8 Medaka. This provides adequate swimming space and helps to maintain stable water parameters for the group.

Recommended Medaka Quantity for a 10-Gallon Tank

Tank Size Recommended Medaka Quantity Notes
10 Gallons 6 to 8 Medaka Ideal for a thriving, comfortable school

Adhering to this recommended range helps ensure your Medaka have sufficient space, maintain good water quality, and exhibit their natural social interactions. Keeping too many fish in a small tank can lead to poor water conditions and increased stress, while too few Medaka may result in timid or anxious behavior.