Fish
Compare adult size, volume, temperature, pH and behavior before choosing a population. Check the minimum volume, water and behavior before choosing. Open the detailed profiles before buying or treating anything.
Aquarium keeping guide
Fish compatible with a Betta: caution before mixing
A Betta can live in a community aquarium in some cases, but never as a formality. Its temperament, fins and need for calm require careful selection.
In this guide
Decision paths
Compatibility guide for keeping Betta splendens carefully with volume, behavior, plants and species to avoid.
Plants
Choose plants by height, light, substrate, growth speed and water parameters. Always relate the observation to the age of the tank, water tests and recent changes. Stable parameters are usually safer than chasing a perfect number.
Understand water
Read pH, GH, KH, nitrates, CO2 and stability before choosing species or correcting water. Small regular actions are safer than sudden large corrections. A good choice is also knowing when the aquarium is not suitable.
Avoid common mistakes
Most failures come from rushing, mixing incompatible needs or correcting everything at once.
Context
Always relate the observation to the age of the tank, water tests and recent changes. Compare adult size, volume, temperature, pH and behavior before choosing a population.
Stability
Stable parameters are usually safer than chasing a perfect number. Read pH, GH, KH, nitrates, CO2 and stability before choosing species or correcting water.
Choice
Open the detailed profiles before buying or treating anything. Choose plants by height, light, substrate, growth speed and water parameters.
Useful habits
A short list to keep in mind before opening profiles or other guides.
Check the minimum volume, water and behavior before choosing.
Always relate the observation to the age of the tank, water tests and recent changes.
Stable parameters are usually safer than chasing a perfect number.
Open the detailed profiles before buying or treating anything.
Continue exploring
Find useful profiles and content to compare options before acting.