👉 The term "Echinasteridae" is a family of crustaceans that includes several genera and species. These creatures are known for their large size, which can reach up to 3 meters in length, and their distinctive black or brown shells that often have multiple rows of teeth. Echinasteridae are primarily found in freshwater habitats such as rivers, lakes, and swamps. They play an important role in the food chain by consuming a variety of aquatic organisms, including fish,
Echinasteridae