variations of clam chowder exist, including New England clam chowder, which is a cream-style soup; Manhattan clam chowder, a broth-style soup prepared using tomato, vegetables and clams; Rhode Island clam chowder, a broth-style soup prepared using tomato and clams with no vegetables, and alternatively a simple broth-style soup using clams; New Jersey clam chowder; Delaware clam chowder; Hatteras clam chowder; and Minorcan clam chowder. In Connecticut clam chowder, milk is used instead of cream. New England clam chowder is made in a diverse variety of styles. Clam chowder may be prepared with fresh, steamed clams or canned clams. The "clam liquor" from steamed or canned clams may be retained for use in the soup, and fresh or bottled clam juice may be used. January 21 is the National New England Clam Chowder Day in the United States. In the late 1800s clam chowder was introduced in New Zealand as an "American" dish and has become integral to New Zealand cuisine. A variant of New Zealand clam chowder is "pipi chowder", also known as "pipi soup" made with New Zealand surf clams. "Pipi" comes from the indigenous Maori name for the shellfish. Although there are variations in ingredients all New Zealand seafood chowders are made in the style of New England chowders, always with milk and/or cream. Corn chowder Corn chowder is similar in consistency to New England clam chowder, with corn being used instead of clams. Additional vegetables that may be used in its preparation include potatoes, celery and onion. Some are prepared using meats, such as chicken or bacon. Corn chowder may be prepared with fresh, frozen, or canned corn. Fish chowder Fish chowder is prepared with fish such as salmon or cod, and is similar to clam chowder in ingredients and texture. Ingredients used in fish chowder may include potato, onion, celery, carrot, corn and bacon. Smoked salmon chowder A popular dish in Pacific Northwest cuisine, smoked salmon chowder gets its red color from tomato paste and is prepared with celery, garlic, leeks, chives, potatoes and Alaskan smoked salmon. The best known smoked salmon chowders are made at Pike Place Market and by Ivar's Salmon House, both in Seattle, Washington. Southern Illinois chowder Southern Illinois chowder, also referred to as "downtown chowder", is a thick stew or soup that is very different from the New England and Manhattan chowders. The main ingredients are beef, chicken, tomatoes, cabbage, lima