👉 Rissoininae is a genus in the family Lamiidae, commonly known as the common mussel or clams. These animals are marine mollusks that primarily inhabit the open ocean and are found in various habitats such as seagrass beds, estuaries, and coastal waters. They have a wide range of life styles including feeding on plankton, shellfish, crustaceans, and even some animals like octopuses and shrimp.