What is cited as a reasonable minimum tank size for a small group of swordtails?

Answer

20 gallons

For a small group of swordtails, a tank size of at least 20 gallons is recommended as a starting point to accommodate their activity levels and potential growth.

What is cited as a reasonable minimum tank size for a small group of swordtails?
fishfreshwateraquariumcharacteristicswordtail