Groundfish are fish species that typically live near the ocean bottom. They are an important source of food worldwide, and many people enjoy eating them. There are many synonyms for the word "groundfish," including bottom fish, flatfish, rockfish, sea bass, and cod. Each of these names describes a slightly different type of fish, but all can be classified as groundfish. Some groundfish are considered delicacies, while others are more common and easily available. Regardless of their name or classification, groundfish play an important role in the ecology of the ocean and are a vital resource for humans as well.