When you are selecting aquarium fish food, there are quite a few varieties to choose from. There are frozen, pellets, flakes, and live fish food that you can choose from as an aquarium owner. You have to know what your fish eat, what the best options are (depending on the fish, whether they are fresh or saltwater fish, and what their species is) when purchasing foods, and what the most affordable options are when selecting the food. Flakes and pellets are usually going to be much cheaper, and are best for easy to care for fish (Betta or goldfish), and you can store the foods for much longer periods of time, without worrying about it going bad. If you choose to feed your fish fresh food, you have to know which foods to choose, and what fish can consume, in order to ensure they are getting essential nutrients, and are not eating foods they should not be consuming.
Pellets and flakes are readily available, as is frozen food, making these easy options for your fish and aquarium. Depending on the age of the fish, the species of fish, and what they have gotten used to consuming (in your home in the aquarium, as well as in the pet shop that you bought them from), there are a variety of options to choose from when selecting the aquarium fish food for your fish. As an aquarium owner, you have to know what foods to choose, what to avoid, and what each species eats. You also have to take the time to research the fish you own, and how often they should be consuming certain foods, to ensure you are properly caring for, and selecting the right foods for your fish, when you want to ensure optimal health and lifespan for your fish.