👉 Subula is a small, dark-colored, crustacean that belongs to the family Loricariidae, commonly known as crabs or clams. It's found primarily in coastal areas of Europe and North America, where it can be found in various habitats such as wetlands, rivers, and lakes. Subulas are typically sessile (not moving with their head) and have a relatively small body size compared to other crustaceans.