Tamales de tichinda are a unique type of tamale from the coastal regions of Oaxaca, Mexico, made with tichindas—small, dark freshwater mussels (widely known as Charru mussels) found in local lagoons. These tamales are traditionally prepared by mixing corn masa with fresh tichindas, spices, and chiles.
The mixture is then wrapped in corn husks or banana leaves and steamed until cooked, resulting in a tamale with a distinct, slightly briny flavor. This dish highlights the coastal culinary traditions of Oaxaca, where seafood is an essential part of local cuisine.