Ocean Quahog

Arctica islandica

Also Known As

Clam, Quahog, Black clam, Mahogany quahog

U.S. wild-caught ocean quahog is a smart seafood choice because it is sustainably managed and responsibly harvested under U.S. regulations.



Year-round. Sold processed (minced, chopped, or cut into strips) or in chowders, bisques, and sauces. Smaller ocean quahogs from Maine waters are marketed as “mahogany clams” and are sold on the half-shell market or for steaming.


U.S. wild-caught from Maine to Virginia.


A somewhat stronger taste than other clams.


Firmer than other clams.


Meat is pinkish.

Health Benefits

Quahogs provide low-fat, high-quality protein and are an excellent source of selenium, iron, and vitamin B12.  

Health & Nutrition

Nutrition facts

Serving weight 100 g
Amount per serving
Calories 74
Protein 12.77 g
Fat, total 0.97 g
Saturated fatty acids, total 0.094 g
Carbohydrate 2.57 g
Sugars, total 0 g
Fiber, total dietary 0 g
Cholesterol 34 mg
Selenium 24.3 mcg
Sodium 56 mg

Seafood Guide