Crustaceans
Definition of Crustaceans as it relates to Animals, Aquatic Animals
Crustaceans are aquatic animals that possess a hard exoskeleton and multiple jointed legs. They are characterized by their segmented bodies and two pairs of antennae. Crustaceans include a diverse group of species such as crabs, lobsters, shrimps, and crayfish. They play an important role in the aquatic ecosystem as scavengers, filter feeders, and predators. Crustaceans are also a valuable source of food for humans and have been harvested for centuries. As a subcategory of Aquatic Animals, Crustaceans contribute to the rich biodiversity of underwater life and provide insight into the complex adaptations that allow organisms to thrive in aquatic environments.