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    All About Clams

    August 19, 2012 by G. Stephen Jones 4 Comments

    All About Clams

    Clams - Hard Shell or Soft Shell

    Most summers I vacation with my family in Avalon, on the Jersey shore. Not only are we able to enjoy almost endless Jersey tomatoes and some of the best sweet corn I’ve ever eaten, but we’ve also been eating our fair share of clams.

    Just for my own knowledge, I started to do a little research about the various types of clams, and I came away confused. As with many culinary terms, those applied to clams can be ambiguous, at best. Depending on where you live, one type of clam may go by various names.

    If any of you have been similarly confused by the conflicting clam information out there, I’ve put together what I hope is a fairly straightforward, easy to understand guide.

    Types of Clams

    There are about 2000 different kinds of clams, but there are two main groups of commercially available clams are soft-shelled and hard-shelled. This seems fairly straightforward, but soft-shelled doesn’t mean soft in the sense of yielding to the touch, like the shell of a soft-shelled crab would. Rather, it refers to clams with shells that are thinner, more brittle and easily broken.

    Soft shelled clams can be found in muddy tidal flats and estuaries up and down the east coast of the United States and Canada as well as on the west coast in the UK. They are also found in the Pacific Northwest, but they are not native to the Pacific and are considered an invasive species. Other names for soft-shelled clams include:

    Ipswich clam - steamers - longnecks

    Hard-shelled clams can tolerate higher salinity than soft-shelled clams, and they are found in tidal areas along the east coast of North America, and even to depths of about sixty feet. There are several varieties of hard-shelled clams native to the Pacific Northwest, as well.

    East-Coast US hard-shelled clams are also known by the names quahog (CO-hog), littleneck and cherrystone.

    West-Coast hard-shelled clams include the Pacific Littleneck or rock clam, pismo clam and butter clam.

    Some west coast hard-shelled clams are of distinctly different species. The non-native Manila clams are very sweet tasting—sweeter than East coast clams—and are available year-round. The huge geoduck (GOO-ee-duck) clams of the Pacific Northwest and razor clams are likewise available all year.

    Cleaning & Cooking

    All clams are filter feeders, which means that they basically stay in one place, sucking up water and small organisms while filtering out sand and debris. For this reason, clams, especially soft-shelled clams whose shells do not close all the way, should be rinsed several times in fresh or salted water. Some cooks advocate adding cornmeal to the water as a filtering agent.

    To store clams before cooking or serving, make sure that they are thoroughly clean and free of grit and sand. Then, keep them in the coldest part of your refrigerator in a container with a perforated bottom to allow any fluids to drip out. Make sure that the clams are alive before cooking. Discard any that do not snap closed when tapped, and after cooking, discard those that do not open.

    When it comes to hard-shelled clams, size matters

    East coast hard-shelled clams are named according to size. The smallest are called button clams. The other names, in order of size are littlenecks, cherrystones and quahog or chowder clams. In general, the smaller the diameter of the clam, the younger, more tender and sweeter-tasting it will be.

    What Can I do with a Soft-Shelled Clam?

    Soft-shelled clams are wonderful steamed. Once steamed, they are known as “steamers.” Don’t get confused and think this is some other variety of clam. A steamer is simply a soft-shelled clam that has been steamed. Soft-shelled clams can also be fried—I recommend dredging them in seasoned cornmeal before frying—or used in fish chowder.

    Suggested Clam Cooking Methods

    Type of Clam
    Size (diameter of shell
    Cooking Method
    US East Coast
    Soft Shelled
    > 1 ½ inches
    Steam, fry, in chowder
    Hard Shelled Button
    < 2 inches
    Lightly simmered as for linguine in clam sauce
    Hard Shelled Littleneck
    2 inches
    Raw, in chowders, steamed, Clams Casino
    Hard Shelled Cherry stone
    2 - 3 inches
    Raw, steamed, fried, clam strips, Clams Casino
    Hard Shelled Quahog
    > 3 inches

    Chopped for chowders, stuffing, fritters

    US West Coast
    Hard Shelled Geoduck
    7 - 9 inches
    Sashimi, stir-fry
    Hard Shelled Manila
    3 - 4 inches
    Steam
    Hard Shelled Razor
    4 ½ inches long
    Deep fry
    Hard Shelled Pismo
    4 ½ inches
    In chowders, saute
    Hard Shelled Butter
    5 inches
    Chowder, stir-fry
    Hard Shelled Rock
    2 ½ inches
    Chowder, fry

     

     

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    I'm a work-at-home dad who enjoys cooking, learning everything I can about the culinary world and sharing it with you. To learn more about me... Read More…

    Reader Interactions

    Comments

    1. Norman Dale

      November 27, 2017 at 1:12 pm

      Lovely article but I so disagree with your saying the West Coast Manila clams are sweeter than the "the east coast clam." Not sure which you are referring to and this is probably true if you mean quahaugs (the smaller of which are often called cherrystones). But the east coast soft shelled clam, Mya arenaria, kicks butt on the Manila in every aspect of clam quality, including sweetness.

      Reply
      • G. Stephen Jones

        November 28, 2017 at 10:07 am

        Hi Norman, thanks for bringing that to my attention and I now will make it a point to try some soft shell clams from the East coast. I'm looking forward to being wrong.

        Reply
    2. Constance Lampro poulos

      July 12, 2019 at 12:02 pm

      Dad was in he clam business in Ipswich, Ma. The soft shelled clams differ from the Maryland soft shell clams in that their necks are short, they are incredibly sweet and are delicious steamed, fried or cooked whole in a chowder. When you eat them you open the shell, scoop the flesh out and remove the skin. When you cook them as steamers,save the broth you cooked them in. Place a tablespoon of butter on top of the hot broth and dip the clam flesh in it before eating. ABSOLUTELY DELICIOUS. And served with a Maine lobster and steamed corn they are an unbeatable treat in the summer with watermelon for dessert and served with a good beer. BON APPETITE!!

      Reply
    3. Terry Auch

      January 31, 2020 at 2:56 am

      So are West Coast Manila clams Too Sweet for New England Clam Chowder or are the Wonderful for New England Chowder? I want to make New England Clam Chowder for my family and I saw at one store LittleNeck Clams - and at another store the Manila Clams - they were less expensive - but I have eaten them -
      What's you verdict: LittleNeck or Manila ???

      Reply

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