Frostfish is a name given to a specific type of fish found in colder waters. This fish is also known by several other names, such as tomcod, winterfish, and icefish. Tomcod is commonly used in the eastern United States, while winterfish is used in the western region. Icefish is another widely recognized name that describes the fish's ability to survive in icy waters. Additionally, frostfish is also known as Atlantic tomcod, and in Canada, it is referred to as groundfish. These alternative names serve as helpful descriptors for the frostfish and are used interchangeably depending on the region or intended audience.