Tetras are one of the most popular and diverse types of freshwater aquarium fish. With more than 150 unique types of tetra ...

Whether you’re an experienced aquarium keeper or a total novice, one of the first decisions about any freshwater setup will be about the types of aquarium fish you select. Thankfully, this list will ...

Mollies are small fish with peaceful natures that can grow to be 3 - 4 inches long. It’s best to keep them in a tank that holds at least 20 gallons of warm water kept at a pH of 7.0 – 7.8.

Fish roe are the fully ripened eggs of many types of fish, including sturgeon, salmon, and herring. Masago is the roe of capelin, a small fish found in the cold waters of the North Atlantic, North ...

Small fish tend to be an especially good source of omega-3 fatty acid (there are plant-based sources, too, like nuts) and essential nutrients like iron and zinc.