How can I learn how to buy a fish?

To learn how to buy a fish, you can start by researching different types of fish and their care requirements. Visit local pet stores or fish specialty shops to ask questions and gather information. Consider joining online forums or groups dedicated to fishkeeping for advice from experienced hobbyists. It's important to understand the needs of the fish species you are interested in, as well as the equipment and maintenance required for a healthy aquarium setup.