👉 The term "becrusted" is a name that refers to a type of crustacean, specifically the crabs. Crustaceans are a group of invertebrates that include many different species, including crabs, snails, and lobsters. Crustaceans have tough, hard exoskeletons made up of calcification or spongy tissue that helps protect them from predators, but they can also be found with soft, flexible bodies. Becrusted crabs