👉 "Caldimonas" is a genus of freshwater crustaceans in the family Cudnidae, commonly known as clams or snails. These small marine animals are characterized by their distinctive white body color and a slender, streamlined shape. Clams have a single anal fin and can grow up to 10 cm long. They feed on a variety of aquatic plants and microalgae, often as part of larger snail communities.