👉 Acuarioidea is a group of aquatic animals that share a common ancestor with fish. These creatures are characterized by their unique bodies, which include multiple arms, flippers, and fins. They are primarily found in freshwater environments where they can swim freely and breathe through gills. Some species within the Acuarioidea family have evolved to live as aquatic mammals, such as the sea otter (Ursus maritimus), while others remain terrestrial.
