The tank needs to be heated and filtered, since guppies and cory catfish share similar water parameters. 5. Female Betta Fish (Betta splendens) Bettas or Siamese fighting fish are very popular and ...

Betta fish thrive in smaller tanks and don’t require complex filtration systems, making them perfect for new fishkeepers. Guppies are small, colorful, and very hardy, making them an ideal choice ...