[header] How to grow a bond with your betta fish [title] Select a healthy betta. [step] With proper care, betta fish regularly live for two-to-four years, and can occasionally reach ten years. Choosing a healthy fish and giving it proper care are your best chance for a lasting relationship. 
[substeps] Most pet stores carry far more male than female bettas, because the former are more colorful and have larger fins. Whether you choose a male or female, look for a fish with a bright (not dull) color palate and healthy-looking, undamaged fins.